No 214 May 2017 1 www.sihg.org.uk The curved line of the tunnel, marked North of the M25, is clearly visible; www.openstreet map.org Why the Oxted Tunnel is Curved, see page 6. ‘Approaching Oxted Tunnel’ Grid Ref TQ379537 © Copyright Ian Capper and licensed for reuse under the Creative Commons Licence; www.geograph.org.uk/ photo/2268126 Inspiration and Perspiration - Brunelleschi to Whittle (via Marconi), see page 4 Magnetic detector by Marconi used during experiments in 1902. File licensed under the Creative Commons Attribution-Share Alike 4.0 International license; https://en.wikipedia.org/ wiki/Guglielmo_Marconi Alan Thomas 1930-2017: A miscellany of images used in Alan’s Newsletter articles, see page 4 Newsletter 214 May 2017 2 SIHG Newsletter No 214 May 2017 Enquires to Programme Co-ordinator Bob Bryson:
[email protected]. SIHG Industrial Archaeology Lectures at Guildford The 42nd season starts on 10 October 2017 - alternate Tuesdays, 19:30-21:30 Education Centre, The Cathedral, Guildford (map: www.sihg.org.uk). Single lectures at £5, payable on the night, are open to all. Thursday Morning Lectures at Leatherhead, 10:00-12:00, 5 October - 14 December 2017 Room G6 The Institute, 67 High Street Leatherhead KT22 8AH Non-member full fee £50 SIHG member £45. Please note that attendance is for the full course only SIHG AGM 15 July & Presentation of the 2017 SIHG Conservation Award for Deek’s Cycle Workshop, SIHG members are most welcome to attend the event and will be given free admittance to the Rural Life Centre , and there will be refreshments after the business of the afternoon.