| Description | Correspondence with WF Cotty, HDH Drane, HL Riley, and Dr HP Rooksby.
Correspondence arranged alphabetically.
Correspondence with WF Cotty on Cotty's dissertation on his diamond research for a City & Guilds qualification (1953-1954).
Correspondence with HDH Drance on Drane's work on the laboratory conditions for the Graphite-Diamond change (1951).
Correspondence with HL Riley, United Coke and Chemicals Company Ltd, on arranging to meet (1954)
Correspondence with Dr HP Rooksby, General Electric Company, on supplying Simon with samples of artifical saphires for heat measurements (1954) |