World heritage sites Pontcysyllte aqueduct and canal Idealists, colonialists and engineers The view from Jodrell Bank No 176 June 2023 Institute of Historic Building Conservation CONTEXT 176 : JUNE 2023 1 www.ihbc.org.uk @IHBCtweet Registered as a charity in England and Wales number 1061593 and in Scotland number SC041945. Company Limited by Guarantee. Registered in England number 3333780. Registered Office: Jubilee House, High Street, Tisbury, Wiltshire SP3 6HA Officers President Mike Brown, president@ihbc.org.uk Chair David McDonald, chair@ihbc.org.uk Vice Chair Lone Le Vay, vchair@ihbc.org.uk Secretary Jo Evans, ihbcsecretary@ihbc.org.uk Treasurer Jill Kerry, treasurer@ihbc.org.uk National Office Director Seán O’Reilly, director@ihbc.org.uk Operations Director Fiona Newton, operations@ihbc.org.uk Consultations Coordinator consultations@ihbc.org.uk Administration Officer Lydia Porter, admin@ihbc.org.uk Professional Services Officer Michael Netter, services@ihbc.org.uk Membership Services Officer Carmen Moran, membershipservices@ihbc.org.uk Education,Training and Application Support Officer Anna Hart, training@ihbc.org.uk Committee Chairs Policy Roy Lewis, policy@ihbc.org.uk Membership & Ethics Andrew Shepherd, membership@ihbc.org.uk Education Chris Wood, education@ihbc.org.uk Communications & Outreach Dave Chetwyn, communications@ihbc.org.uk Branch Contacts North north@ihbc.org.uk North West northwest@ihbc.org.uk Yorkshire yorkshire@ihbc.org.uk West Midlands westmids@ihbc.org.uk East Midlands eastmids@ihbc.org.uk South south@ihbc.org.uk South West southwest@ihbc.org.uk East Anglia eastanglia@ihbc.org.uk South East southeast@ihbc.org.uk London london@ihbc.org.uk Scotland scotland@ihbc.org.uk Wales wales@ihbc.org.uk Northern Ireland northernireland@ihbc.org.uk Republic of Ireland republicofireland@ihbc.org.uk Rest of the World overseas@ihbc.org.uk Cover: Ty Craig Bridge, spanning the Llangollen Canal in the Pontcysyllte Aqueduct and Canal World Heritage Site. (Photo: Chris Davies) See page 20 2 Briefing 4 The writer’s voice 5 Out of Context 7 Periodically 11 Editorial 12 Idealists, colonialists and engineers Ian Wray 16 World heritage in the UK: an overview Chris Blandford 20 Pontcysyllte Aqueduct and Canal World Heritage Site Peter Chowns 24 The view from Jodrell Bank Teresa Anderson 28 Where is the data on listed buildings? Alfie Robinson 30 Restoring the Odisha East Coast Canal Gobinda Ballava Dalai and Kathryn Davies 32 The Kasbah: where's that? Emilie Wales 35 From Armageddon to listing Graham Tite 38 A world-wide precedent for solar panels? John Preston 41 Notes from the chair 42 New members 43 Director’s cut 45 Vox pop 47 Book reviews 52 Inter alia 53 Products and services 56 Specialist suppliers index
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