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
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
Valve from nitrous oxide cylinder, sectioned to show internal mechanism Valve from nitrous oxide cylinder
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
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
Mercury arc valve (RMW/D240 – McVitie Weston number) McVitie Weston valve collection, mercury arc valve