
No. 651 June 2025 Edited by Melvyn Dresner
HADAS DIARY – Forthcoming Lectures and Events
Weekend of 7th to 8th June 2025: It’s back! Barnet Medieval Festival at Lewis of London Ice Cream Farm, Galley Lane, Barnet, Herts EN5 4RA Note new venue – not Barnet Rugby club as before due to redevelopment. Barnet Medieval Festival – Reenactment of the Battle of Barnet 1471
Tuesday 10 June 2025 at 7.30 pm: Annual General Meeting to be followed by a lecture by our president, Jacqui Pearce, A web of influences – imported ceramics in London 1000-1700.
Throughout the medieval and early post-medieval period, pottery from countries outside Britain was entering the country alongside other imports. Many different wares had a deep impact on local potters, influencing their styles of decoration, and even their technology. We will be looking at a wide range of pottery, from many centres in Europe, particularly France, the Low Countries, Germany, Italy and Spain, as well as the significant and long-lasting impact of wares from the Far East. London was a particularly rich source of inspiration as a major hub for imported goods and this is reflected in the wide range of pottery recovered in archaeological excavations.
Lectures held in the Drawing Room, Avenue House, 17 East End Road, Finchley N3 3QE. 7.45 for 8pm.
Buses 13, 125, 143, 326, 382, and 460 pass close by, and it is a five-ten-minute walk from Finchley Central Station on the Barnet Branch of the Northern Line where the Super Loop SL10 express bus from North Finchley to Harrow also stops.
Tea/Coffee/biscuits available for purchase after each talk.
Dear HADAS members.
Newsletter contributions welcome.
In order to keep our monthly newsletter going, we welcome contributions. Please help us by sending us an article, or perhaps just a paragraph or two about something relevant you have found of interest. You can even just send us a comment about one of the previous articles – all contributions gratefully received!
Please send contributions to the next editor, details at the end of the distributed version of this newsletter. Thank you!
Fancy a coach break?
The HADAS committee has been researching ideas for a 4- or 5-day coach break in the UK most likely not too far from London for our first excursion after a few years break. As some of you will remember we did used to have coach trips in the past and we are hopeful of starting this practice again this will depend on there being enough interest from members. To see if there might be enough people to make this feasible an expression of interest sheet was available to sign after our May lecture and will be available after our other lectures. We have some signatures already which is good. If you are not able to attend lectures and wish to express an interest please email chairman@hadas.org.uk.
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At a further date we will be emailing those who have said that they are interested and have provided their email details a suggested itinerary and price based on numbers attending. It is likely that the trip will not be before late this year but more likely next year.
Next HADAS dig: 31st of July – 4th August 2025: Vine Cottage, Greyhound Hill, Hendon NW4
Initial survey work undertaken and preparation work under way. If you like to get involved contact Roger Chapman treasurer@hadas.org.uk Photos courtesy of Andy Simpson.
Photo 1, above left, Bill Bass and Roger Chapman sorting out datum points for Bennet’s School (previous dig on nearby site on Church Road next to almshouses) and Vine Cottage, and baselines for the Vine Cottage site, based on the Ordinance Datum point sited low down on the church tower (St Mary’s Church, Hendon).
Photo 2, above right, Roger, Don, Kate and Bill looking at base of the church tower to identify location of the OD.
College Farm – an update Peter Pickering
HADAS has always been interested in College Farm – that refreshing piece of green land on the left as you come north on Regent’s Park Road from Henly’s Corner. Our Secretary, Brigid Grafton Green, wrote a booklet ‘Milk for the Millions’ about it in 1983; and for many years we stored some of our material there. In the last century it was a lively farm, with open days that were very popular with families. Since the foot and mouth disease outbreak, however ,it has been hard of access, and there has been real concern about the listed farm buildings as well as the open land. All is now changing. The Charity Commission intervened to completely replace the Trust that owned the farm, and the new Trust, one of whose members is the Chairman of the Finchley Society, Mick Crick, will be
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working on plans to make the farm once more an active community asset. With backing from a wealthy philanthropist there is every likelihood of success.
Crosby Blitz Beach Jane Mortimer
Just outside Liverpool lies Crosby Beach where you can see Anthony Gormley’s famous art installation, Another Place, comprising 100 life size iron men. However less well known is another beach a short distance from here which is made up of the rubble of war time Liverpool.
Liverpool was one of the most heavily bombed cities in World War Two and much of the city lay in ruins afterwards. Some of the rubble was shipped out for use as ballast but a huge amount was unceremoniously dumped on this nearby beach. With the cash strapped city having to rebuild, there was no money to clear the rubble and it was left and largely forgotten. Over the last 80 years the Irish Sea has pounded and rounded the bricks, glass, stone blocks and marble and it is now an imposing and strangely magnificent sight. It is also a sobering monument to the 4,000 who were killed in the Liverpool blitz and the 70,000 who were made homeless.
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Caral-Supe Civilization of Peru David Willoughby
Flourishing around 3000 BCE there was a civilization so advanced that it developed earthquake-resistant architecture millennia before modern engineering. The Caral-Supe civilization of Peru, achieved just that with an ingenious technique known as “Shicras.” These were woven baskets made from vegetable fibres, filled with stones, and strategically placed within building foundations. This method effectively absorbed seismic energy, allowing structures to withstand earthquakes—a testament to their sophisticated understanding of construction and environmental challenges.
The Shicra technique involved crafting baskets from local plant fibres, such as reeds, and filling them with stones. These were then integrated into the foundations of buildings, particularly in ceremonial temples and pyramids. The flexibility of the fibre and the mass of the stones worked together to dissipate seismic energy, reducing the risk of structural collapse during earthquakes.
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Archaeological excavations at Caral and other sites like Pisquillo have revealed the extensive use of Shicras in ancient construction. Structures employing this technique have remained intact for over 5,000 years, enduring numerous seismic events. This durability underscores the effectiveness of the Shicra system and highlights the Caral-Supe civilization’s innovative approach to building in a seismically active region.
The legacy of Shicras extends beyond ancient Peru. Modern engineering employs similar principles in the form of gabions—wire mesh containers filled with stones used for erosion control and as foundations in construction. These contemporary applications echo the ancient wisdom of the Caral-Supe people, demonstrating the enduring relevance of their techniques.
The Caral-Supe civilization’s use of Shicras exemplifies a harmonious blend of innovation, sustainability, and resilience. Their methods offer valuable insights for modern engineering, particularly in developing earthquake-resistant structures that are both effective and environmentally conscious. As we face increasing seismic risks worldwide, revisiting and adapting such ancient technologies could inform and enhance our contemporary building practices.
Was the Late Bronze Age eruption at Santorini responsible for the demise of Minoan society? David Willoughby
The demise of Minoan society refers to the period after the end of the LM IB phase, ca. 1450 BCE when frequent interaction between Crete and the Aegean ended. This two-hundred year period is marked by the transition of Crete and other islands to a Mycenaean material culture (Shelmerdine, 2008).
In LM IA (ca 1700 – ca 1600 BCE) the Minoan culture was at the peak of its achievement with high art being much in evidence (Driessen & Macdonald, 1997). They had developed a writing system, Linear A that they used to manage an efficient bureaucracy. Also architectural accomplishment reached a high point with magnificent palaces being built at Knossos and elsewhere (Shelmerdine, 2008). Minoan influence could be seen all over the Aegean with evidence of their material culture being found in the Cyclades (e.g. Ayia Irini on Keos), the coast of Anatolia (e.g. Miletos) and on the Greek mainland (e.g. in the Grave circles at Mycenae). Islands like Thera and Kythera show such a degree
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degree of Minoanization that they may have been colonized by the Minoans (Shelmerdine, 2008). Linear A was not confined to Crete with examples of this writing having been discovered in Samothrace, Thera and in Miletos (Callender). The occurrence of Minoan high prestige items in Egypt, the Cyclades and Mycenaean Greece, and the presence of Minoan style frescos on Thera, Melos and at Near Eastern sites such as Tell el-Dab’a in Egypt point to the possibility of Minoan craftsmen working abroad (Bietak, 2008). It appears that the Minoans had extensive trade routes and dominated the Aegean region during this period. At this time Mycenaean material culture traces outside of mainland Greece were slight (Callender).
At the end of LM IB Crete shows wide-spread destruction and abandonment throughout the island. Remains were burned indicating human involvement and evidence of brush wood to start at least some the fires has been found (Driessen J. , 2019). It would appear that many sites were prepared as in many cases valuables were removed or hoarded and efforts were made to protect livestock and water supplies. During destruction, prestigious artworks were deliberately destroyed. The destruction occurred in phases over a period of time and was selective. Most of the palaces were destroyed but Knossos and Aghia Triada were spared and reused. The port of Kommos was also reused. At Knossos however the town was destroyed and at certain sites such as Myrtos-Pyrgos, only the central buildings were burnt down, with the surrounding houses escaping destruction. (Driessen J. , 2019). Following these destructions the palace at Knossos was occupied by a culturally Mycenaean elite. It is unclear as to whether this elite was the cause of the destruction or whether this was an opportunistic takeover following a period of internal turmoil (Shelmerdine, 2008).
After the widespread destructions of the palaces at the end of LM IB significant cultural changes took place over the next two hundred years on Crete and by LM IIIB the traditional Minoan cemeteries had been abandoned and the elite were buried in Mycenaean style Tholos and chamber tombs. Warrior burials also occurred around Chania.
By the LM IIIB Minoan Linear A had been replaced by Linear B at Knossos. The administration was characteristically Mycenaean with Greek being used as the administrative language (Driessen & Macdonald, 1997). Linear B had been adapted from Linear A to record a language to which it was not really suited (Preziosi & Hitchcock, 1999) implying a switch from a Minoan language. There was also a significant change to the economy with sheep, textiles, oil and weapons being the main industries. Wealth overall increased and the elite became very affluent. This was mainly because of the gearing up of the economy for overseas trade (Shelmerdine, 2008) but the health of the general population had deteriorated (Callender).
By the LM IIIB Minoan commerce in the Aegean had become negligible whereas Mycenaean pottery was to be found throughout the Aegean and Mycenaean exports from Crete and elsewhere had increased significantly (Callender).
It has long been known that the Santorini volcano erupted in the Late Bronze Age completely burying the Minoanised settlements on the island of Thera in several metres of volcanic debris. As early as 1939 it was claimed that this eruption was responsible for the downfall of the Minoan civilisation on Crete, some 110 kilometres south of Thera.
The scale of the eruption has recently been reassessed as being one of the largest volcanic eruptions in history being on the same order of magnitude as the Tambora eruption of 1815 (Callender). The deposits produced by the volcano include 2km3 of Plinian ash from the main eruption column, 17km3 of ash associated with pyroclastic flows and 41km3 of underwater pyroclastic flows (Sigurdsson, et al., 2006). Archaeological excavations at Akrotiri on Thera indicate that the eruption was preceded by major seismic activity.
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Fallout of ash from the eruption was extensive with a deep deposits have been found as far as Trianda in Rhodes, elsewhere in the Dodecanese and even in Miletos (Shelmerdine, 2008). In Eastern Crete some 5 cms of volcanic ash has been found and acidity from it might have affected agriculture for years (Callender). However, these ash deposits were not believed to have been responsible for the collapse of the Minoan civilization (Dunn).
The eruption of the Thera volcano would have pushed small particles and gases high up into the atmosphere and it has been suggested that this could have lowered annual average temperatures by one to two degrees across the world and resulting in cold, wet summers that caused crop failures over several years (Cecil, 2011). Such an effect was recorded in the aftermath of the 1815 Tambora eruption (Editors of the Encyclopedia Britannica).
Recent discoveries in Palaikastro in Crete found evidence of sea microorganisms and species usually found on the seabed, well away from the coast. Also found were deposits of smashed or powdered pottery and stone and deposits of volcanic ash. Similar discoveries were also made at Amnissos near Knossos. Radio carbon dating indicated that these deposits were associated with the Thera eruption. Analysis of these discoveries concluded that Crete was hit by successive tsunamis with waves 50 feet high destroying crops, salting fields and devastating ports and other infrastructure near the coast. Any ship in harbour would have been destroyed. This destruction would have affected primarily the northern and eastern coast of Crete. Settlements in the central and on the south and west coasts would have remained relatively unscathed (Dunn).
The date of the Thera eruption has long been a matter of conjecture with radio carbon dating from a buried olive branch on Thera producing a date of 1650-1600 BCE with archaeological evidence suggesting dates of between mid 16th C to early 15th C BCE. Recent work to reconcile these dates using bristle cone pine dendrochronology dating has produced a likely date range of 1600 to 1525 BCE with a significant event in 1560 BCE (Pearson, et al., 2018).
Taking a the likely date of 1560 BCE, this would put the eruption in the at the start of the LM IB phase some 70 years before the demise of the Minoan civilization at the end of LM IB around 1490 BCE.
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After the eruption the Minoan ports and infrastructure destroyed by the tsunamis were never rebuilt (Dunn). Also there appears to have been an exodus of population from the eastern regions of Crete and Galatas palace was abandoned. No new palaces were built and repairs to existing ones appear shoddy. Many houses and the palaces increased their food and water storage facilities implying possible food shortages and water contamination. There appears to have been a reduction in olive oil production (Callender). The Minoans may have sought food supplies from Egypt or from the Mycenaeans (Driessen & Macdonald, 1997).
In the LM IB phase contact between Crete and the Aegean continued, implying the loss of Thera as a hub was not an insurmountable impediment to trade (Shelmerdine, 2008). However, much of the LM IB pottery was exported to mainland Greece (Callender). There appears to have been substantial contact with Egypt with most Egyptian objects found in Crete dating to LM IB. Also there are references to Keftiu (Cretans) in Egyptian texts (Shelmerdine, 2008).
The eruption may have affected Minoan beliefs. Afterwards many peak sanctuaries were abandoned with the focus of worship shifting to caves (Callender). At a number of sites like Palaikastro stone horns of consecration were discarded and used as a building material. Also Theran pumice appears to have been carefully collected and stored (Shelmerdine, 2008) and has been found as an offering in a cup in a well at Kato Zakros (Preziosi & Hitchcock, 1999).
Dating suggests that the Theran volcanic eruption did not immediately result in the demise of Minoan civilization but it may have changed it in such a way to set it on that path. Perhaps the population started questioning their belief system and eventually overthrew the priestly establishment at the palaces (Cecil, 2011) or perhaps society broke down as a result of the apparent movement of wealth towards the elite at the expense of a population weakened by famine and other effects of the eruption (Brogan & Hallager, 2011). Minoan trading patterns may have changed due to the destruction of the ports in Northern and Western Crete allowing Mycenaeans to fill a vacuum in the Aegean.
Perhaps the use of the word ‘transition’ rather than ‘demise’ is more appropriate. Crete under the new administration was prosperous. Although culturally Mycenaean there is no clear evidence that it was not dominated by ethnic Minoans. After the collapse of this administration in LM IIIA2a and by LM IIIC, burial ritual in some parts of Crete showed a renewed link with Minoan tradition with burials in caves and older buildings and with more typically Minoan burial offerings (Perna, 2003), Minoan cult practices involving offering benches and representations of goddesses with uplifted arms continued at Gournia, Gazi and Kavousi (Preziosi & Hitchcock, 1999). The practice of dedicating bronze votive figurines and other items at sacred caves continued into the classical period (Preziosi & Hitchcock, 1999). Also presumed Minoan language (eteocretan) inscriptions in the Greek alphabet have been found dating as late as the 3rd C BCE (Eteocretan Language, 2019).
Bibliography
Bietak, M. (2008). Minoan Artists at the Court of Avaris. In J. Aruz, K. Benzel, & E. J.M, Beyond Babylon: art, trade, and diplomacy in the second millennium B.C. New York Metropolitan Museum of Ar: Yale University Press.
Brogan, T., & Hallager, E. (2011). LM IB Pottery Relative Chronology and Regional Differences. Monographs of the Danish Institute of Athens Volume 11, 1.
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Callender, G. (n.d.). The Collapse of the Minoan Social System. Retrieved 2020, from Academia: https://www.academia.edu/34451175/Collapse_of_Minoan_Social_System.
Cecil, J. (2011, 02 17). The Fall of the Minoan Civilization. Retrieved from The Great Ancient Greek Temples: https://sites.google.com/site/thegreatancientgreektemples/the-minoan-civilization—the-fall-of.
Driessen, J. (2019). The Santorini eruption. An archaeological investigation of its distal impacts on Minoan Crete. Quaternary International 499 , 195-204.
Driessen, J., & Macdonald, C. (1997). The Troubled Island, Minoan Crete before and after the Santorini eruption. Aegium 17 (Vol. Aegeum 17). Liege: Liege University.
Dunn, S. (n.d.). The Destruction of the Minoan Civilization. Retrieved from www.explorecrete.com: http://www.explorecrete.com/archaeology/minoan-civilization-destruction.html.
Editors of the Encyclopedia Britannica. (n.d.). Mount Tambora. Retrieved from www.britannica.com: https://www.britannica.com/place/Mount-Tambora.
Eteocretan Language. (2019). Retrieved from en.wikipedia.org: https://en.wikipedia.org/wiki/Eteocretan_language.
McGillivray, S. (n.d.). The Destruction of the Minoan Civilization. Retrieved from www.explorecrete.com: http://www.explorecrete.com/archaeology/minoan-civilization-destruction.html.
Pearson, C., Brewer, P., Brown, D., Heaton, T., Hodgins, G., Jull, A. T., et al. (2018, Aug 15). Annual radiocarbon record indicates 16th century BCE date for the Thera eruption. Science Advances Vol. 4, no. 8.
Perna, K. (2003). Between Mycenaean Culture and Minoan Tradition: Social Dynamic in Crete at the End of the Bronze Age. Mediterranean Archaeology and Archaeometry, Vol 3, No 2 , pp. 7-34.
Preziosi, D., & Hitchcock, L. A. (1999). Aegean Art and Architecture. Oxford University Press.
Shelmerdine, C. W. (2008). The Aegean Bronze Age. New York: Cambridge University Press.
Sigurdsson, H., Carey, S., Alexandri, M., Vougioukalakis, G., Croff, K., Roman, C., et al. (2006). Marine investigations of Greece’s Santorini volcanic field. Transactions American Geophysical Union 87 (24), pp. 337-342.
OTHER SOCIETIES’ EVENTS
Other Organisations / Societies’ events Eric Morgan
As always please check with the societies’ websites before planning to attend since not all societies and organisations have returned to pre-covid conditions.
Saturday 7th June, 12-5 pm. Highgate Festival, Pond Square and South Grove, Highgate Village, London. N6 5BS. Lots of stalls including Highgate Society and Highgate Literary and Scientific Institute. Also craft, books and clothes, stalls and music stage. Free. Also Tower Tours of Church.
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Monday 9th June, 3 pm. Barnet Museum and Local History Society. St. John the Baptist Church, Chipping Barnet, corner High Street/Wood Street, Barnet, EN5 4BW. Behind The Battle of Barnet Banners. Talk by Scott Harrison. For Further information please visit www.barnetmuseum.org.uk.
Friday 13th June, 7.30 pm. Enfield Archaeological Society. Jubilee Hall (Address as for Enfield Society – Tuesday 3rd June). Roman Egypt. Talk by Stefania Afarano (U.C.L). Please visit www.enfarchsoc.org.uk. for further details. Visitors charge £1.50. Refreshments, Sales and information to be available.
Friday 20th June, 7.30 pm. Wembley History Society. St. Andrew’s Church Hall, (behind St. Andrew’s new church), Church Lane, Kingsbury, London. NW9 8RZ. Frankenstein – Food, Fun, Family and more. Talk by Lester Hillman. Visitors charge £3. Refreshments to be available in the interval.
Sunday 22nd June 12 -6 pm. East Finchley Festival. Cherry Tree Wood, East Finchley, N2 9QH. (Entrance off High Road, opposite Tube Station). Lots of stalls including Finchley Society, Friends of Cherry Tree wood (Roger Chapman, HADAS), North London U3A. Also craft and food stalls and music stages.
Wednesday 25th June, 7.45 pm. Friern Barnet and District Local History Society. North Middlesex Golf club (address as for Wednesday 28th May). Transport for London. Talk by David Le Boff, Non-members charged £2.
Thursday 26th June, 7.30 pm. Finchley Society. Drawing Room, Avenue (Stephens) House. (Address as for Thursday 29th May). Annual General Meeting. For further details please visit www.finchleysociety.org.uk. Charge £2.
Friday 20th – Sunday 29th June. Hampstead Summer Festival including Friday 20th – Art Street canvases in Keats Grove, London, NW3 2RS for a month. Sunday 22nd Art Fair 12 – 5 pm. In Keats’ House Garden, 10 Keats Grove, London. NW3 2PR. Free entry. Please see www.hampsteadsummerfestival.org.uk.
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Saturday 21st – Sunday 29th June. Proms at St. Jude’s Music and Literary Festival. Central Square, Hampstead Garden Suburb, London. NW11 7AH. Including Talks and Heritage Walks. For full details please visit www.promsatstjudes.org.uk. Tickets for guided walks must be booked in advance.
Saturday 5th and Sunday 6th July, 12 – 9 pm. East Barnet Festival. Oak Hill Park, Church Hill Road, East Barnet, EN4 8JP. Lots of stalls including craft and food stalls, a Bar, music stage, Classic cars show on the Sunday. Please visit www.eastbarnetfestival.co.uk for details.
Sunday 6th July, 12 -5 pm. Hampstead Summer Festival, Big Fair in Heath Street, Hampstead NW3 – (up from Hampstead underground station towards Whitestone Pond). Over 100 stalls of craft, food and drink. Music. Free. Please visit www.hampsteadsummerfestival.org.uk.
Sunday 6th July – Sunday 20th July. Enfield Archaeological Society – Elsyng Palace Excavation in the grounds of Forty Hall, Forty Hill, Enfield. EN2 9HA. This 21st year will focus on revealing more of the Inner Gatehouse of the Palace, following the previous excavation of its turret-flanked pedestrian entrance. To join the dig please contact research@enfarchsoc.org or visit www.enfarchsoc.org or email martin.dearne@talktalk.net and if you are not already a member, please join (cost £12) by 20th June 2025. On Saturday 12th July 11 am. – 4 pm. there is a public Open Day.
Tuesday 8th July, 8 pm. Amateur Geological Society. Finchley Baptist Church Hall, 6 East End Road/corner Stanhope Avenue, London. N3 3LX (almost opposite Stephens’ (Avenue) House) –The Evolution Garden –uncovering a history of plants. Talk by Dr Paul Kenrick (Natural History Museum) who re-opened its gardens in South Kensington and has created an accessible and free green space. A key feature of the re-design is the New Evolution Garden – an immersive journey through 2-7 billion years of Earth’s history told through plants, geological features and representations of animals. Full details on www.amgeosoc.wordpress.com.
Monday 14th July, 3 pm. Barnet Museum and Local History Society. St. John the Baptist Church, Chipping Barnet, corner High Street/Wood Street, Barnet. EN5 4BW. London Colney Airfield and the Royal Flying Corps. Talk by Guy Thomas. Please visit www.barnetmuseum.co.uk. for further details. Refreshments to be available afterwards.
Friday 18th July, 7 pm. C.O.L.A.S. St. Olave’s Church, Hart Street, London. EC3R 7NB. Talks also on Zoom. Members’ Night. Short Talks by C.O.L.A.S. members. Please book via Eventbrite. Visit www.colas.org.uk. HADAS may send out link details to its members.
Also on Friday 20th June, 7 pm. Across the pre-historic landscape of West London. Talk by Dr. Steve Ford (Thames Valley Archaeological Services). Also on zoom (details as above).
Friday 18th July, 7.30 pm. Wembley History Society. St. Andrew’s Church Hall (behind St. Andrew’s New church) Church Lane, Kingsbury, London. NW9 8RZ. Kingsbury – how it all began – Farms, Bridges and Churches. Talk by Councillor Ketan Sheth on following the development of the community of Kingsbury. Visitors request to pay £3. Refreshments to be available in the interval.
Thanks to our contributors this month: Eric Morgan, Janet Mortimer, Peter Pickering, Andy Simpson, and David Willoughby.
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Hendon and District Archaeological Society
Chair Sandra Claggett, c/o Avenue House, 17 East End Road, Finchley N3 3QE
email : chairman@hadas.org.uk
Hon. Secretary Janet Mortimer 34 Cloister Road, Childs Hill, London NW2 2NP
(07449 978121), email: secretary@hadas.org.uk
Hon. Treasurer Roger Chapman, 50 Summerlee Ave, London N2 9QP (07855 304488),
email: treasurer@hadas.org.uk
Membership Sec. Jim Nelhams, 61 Potters Road, Barnet EN5 5HS (020 8449 7076)
email: membership@hadas.org.uk
Website: www.hadas.org.uk
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