Working with glass Manchester Cathedral’s stained glass Conserving the Great South Window The greenhouse at Felton Park The long reign of Vitrolite No 177 September 2023 Institute of Historic Building Conservation CONTEXT 177 : SEPTEMBER 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: The Hope Window in Manchester Cathedral by Alan Davis, with a statue of Humphrey Chetham (1580–1653), merchant and philanthropist (Photo: Alexandra Fairclough) See page 29 2 Briefing 3 The writer’s voice 4 Letters 5 IHBC North-West branch conference 7 Periodically 11 Editorial 14 The history of glass in the UK and Ireland Katia Papkovskaia 18 Conserving the Great South Window Jonathan Deeming 22 Environmental protective glazing Alison Gilchrist 25 Celebrating the everyday in stained glass Jeff Hopewell 29 The abstract stained glass of Manchester Cathedral Alexandra Fairclough 33 The wrought-iron greenhouse at Felton Park Edward Diestelkamp 35 The long reign of Vitrolite Katriona Byrne 38 Upgrading metal windows for thermal comfort Douglas Kent 42 Legal update 45 Notes from the chair 47 Director’s cut 49 Vox pop 51 New member 52 Book reviews 56 Inter alia 57 Products and services 60 Specialist suppliers index
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