C O N T E X T 1 3 9 : M A Y 2 0 1 5 1 Cover: Wrought iron (see page 9) (Photo: Topp & Co) www.ihbc.org.uk Registered as a charity in England andWales number 1061593 and in Scotland number SC041945. Company Limited by Guarantee. Registered in England number 3333780. Registered Office: 3 Stafford Road,TunbridgeWells, Kent TN2 4QZ. Officers President Trefor Thorpe, president@ihbc.org.uk Chair Mike Brown, chair@ihbc.org.uk Vice Chair Emilia McDonald, vchair@ihbc.org.uk Secretary Jo Evans, ihbcsecretary@ihbc.org.uk Treasurer Richard Morrice, treasurer@ihbc.org.uk National Office Director Seán O’Reilly, director@ihbc.org.uk Projects Officer Fiona Newton, projects@ihbc.org.uk Consultant Consultations Coordinator James Caird, consultations@ihbc.org.uk Membership Services Officer Carmen Moran, membershipservices@ihbc.org.uk LETS Officer Kate Kendall, lets@ihbc.org.uk Administration Officer Lydia Porter, admin@ihbc.org.uk Committee Chairs Policy David Kincaid, policy@ihbc.org.uk Membership & Ethics Paul Butler, membership@ihbc.org.uk Finance & Resources Richard Morrice, resources@ihbc.org.uk Education David McDonald, education@ihbc.org.uk Communications & Outreach Charles Strang, communications@ihbc.org.uk Branch Officers North Geoff Underwood, 0191 433 3435 NorthWest Crispin Edwards, 0161 474 2620 Yorkshire David Blackburn, 01943 603479 West Midlands Charles Shapcott, 0121 7044312 East Midlands Roy Lewis, 01623 756623 South Julia Foster, 01296 585888 SouthWest JamesWebb, 01202 732849 East Anglia David Andrews, 07760 208231 South East Sean Rix, 01483 523379 London Sheila Stones, 01223 582716 Scotland Stuart Eydmann, 07525 479835 Wales John Edwards, 07796 440934 Northern Ireland Jill Kerry, 028 9048 7395 Republic of Ireland Cormac O’Sullivan, 00353 5677 62907 Institute ofHistoricBuildingConservation No 139May 2015 Working with metal Cathodic protection in church towers Iron frames in textilemills Brunel’s other bridge 2 Briefing 3 Out of Context 4 Letters 5 Periodically 7 The writer’s voice METAL 9 Editorial 10 Wrought iron, yesterday and today Chris Topp 14 Dredge’s Victoria Bridge Richard Baister 17 Brunel’s other bridge in Bristol Geoff Wallis 20 Cathodic protection in church towers David Farrell 24 Iron frames in textile mills Mark Watson 28 Aspects of copper roofing Jonathan Goode 31 Going underground Justine Page 34 Sweating heritage assets Justin Webber 39 Notes from the chair 40 Director’s cut 41 New members 42 Vox pop 43 Book reviews 47 Products and services 48 Advertisers index
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