Piece of laboratory apparatus, metal cylinder with large screw and springs inside, possibly some kind of safety valve, owned by Sir T.L. Brunton, made and/or designed by Boulitte, France, 1851-1900 Piece of laboratory apparatus 1851-1900
Three steam heating valves mounted on board, LNER MIC No.120, relief, reducing, and Mason's reducing valve (1975-7121 - NRM75/20/33), sectioned. Overall: 360 mm x 380 mm x 137 mm. Three steam heating valves, relief, reducing, and Mason's reducing valve
Mercury arc valve (RMW/D240 – McVitie Weston number) McVitie Weston valve collection, mercury arc valve
Pair of "Supatap" model RT/D hot and cold pillar valves (c.1972). Catalogue no.16A-6299 by Supatap Ltd. Pair of "Supatap" model RT/D hot and cold pillar valves (c.1972) 1972
Collection of radio valves presented by the Engineering Department of Cambridge University. Radio valves
Two Valves, sectioned, mounted on board, London & North Eastern Railway (LNER) MIC No 26. Dimensions: 11"x9" Board. Two Sectioned Valves
Medical oxygen valve, from the laboratory at B.P. Chemical Ltd., (Sandbach Works), by Siebe, Gorman and Co. Ltd., English, 1935-1955 Medical oxygen valve 1935-1955
Valve from nitrous oxide cylinder, sectioned to show internal mechanism Valve from nitrous oxide cylinder