https://briggs-plc.crush-test.co.uk/publications/ibd-midlands-section-engineering-symposium-2014-heating-in-agitated-and-non-agitated-vessels/
IBD Midlands Section Engineering Symposium 2014 - Heating in Agitated and Non-agitated Vessels -...
midlands section
https://www.voc.uk.com/content.aspx?page_id=4002&club_id=931962&item_id=2731381
East Midlands Section Classic Motorcycle Day at the Crich Tramway - Events - Vincent H.R.D. Owners...