The talk will show how detailed computer models were used to reconstruct the history of the airport from archive maps and photographs. The development of Croydon Airport will be covered from the RFC airfield on Plough Lane, the RAF development in 1918, the Civil airport in 1920 and finally the new airport in 1928. A selection of aircraft and airline history will be included, and also the development of facilities such as Radio, Air Traffic Control, the Met Office and Customs.   The talk will be given by Roger Potten, Historic Croydon Airport Trust.

The lecture covers an Industrial Archaeology trip to the Parys Mountain mine in Anglesey in 2012 and to a large mine in Arizona in 2013.  The refining processes are covered as are the multitude of applications for copper, stressing the importance of the metal. Copper is widely recycled and the talk will touch on personal involvement, making a contribution to a charity and the recovery of copper.    The talk will be given by Doug Bateman, Farnborough RAE and U3A speaker.

For about 2000 years there has been a bridge at the site of the present London Bridge and during that time London has grown from a small Roman bridge head and camp to be a world megalopolis. Until 1750 it was the only bridge in London and the next bridge over the Thames  was  upstream at Kingston. In fact , there have been a number of different structures on the site, each called London Bridge, and the talk will outline their story over two millannia.  The talk will be given by Doug Irvine, CivilEngineer.

The illustrated talk covers the history of the railways coming to Guildford in 1845 and its impact on the town to the various forms  of traction from steam to diesels and electrics of present day. A tremendous selection of unseen photographs will be included. The talk will be given jointly by David Rose, Local historian & writer and Geoff Burch, ex-railwayman and author.

An illustrated talk showing then and now views of Guildford. See how much (or how little) the town centre has changed over the past 100 years.  Images include the town's historical buildings-the Guildhall, Abbot's Hospital, the castle , and the cathedral.  This talk will be given by David Rose, local historian and writer.

One of Brighton's famous residents who described himself as an 'electrician' but who was one of the earliest electrical engineers in Victorian England, a prolific inventor, and designer of the oldest, and still operating, electric passenger railway in the world. The talk will be given by Bill McNaught, Chaiman of the 5 Deans U3A.

A colourful introduction to the wonderful world of our inland waterways with dramatic engineering, unusual architecture, interesting landscapes, historic boats and lots of unusual and quirky features.  This talk will be given by Roger Butler, Fellow of the Royal Geographical Society and a Licentiate of the Royal Photographic Society.

This talk looks at the story of Shepperton Studios from its foundation in the early days of 'talkies' to its current role as the major production hub for Netflix in the UK.  Along the way are the ups and downs of the British Film Industry, and a surprising role in World War Two.  The talk will be given by Nick Pollard, Curator of Spelthorne Museum in Staines.

In a change to the orginal programme Colin van Geffen, aviation artist & enthusiast, will give a talk about BEACHCOMBER, one of 760 Sunderland long-range patrol flying boats of which fewer than 10 survive world -wide. BEACHCOMBER's amazing story of survival against the odds holds many surprises.