Sprengel type mercury vacuum pump, unsigned, German, 1919-1929 Sprengel type mercury vacuum pump 1919-1929
Vacuum pump used by Glaxo at two pilot plants at their Greenford site during 1956-1970 and 1970-1994 for new drug development. Some of the principle drugs developed and marketed by GlaxoWellcome in which this pump would have played a part in the R&D process include: Becotide (asthma drug which received the Queen's Award; Zinacef (antibiotic); Fortum (third generation inhectable antibiotic which received the Queen's Award); Zinnat (oral antibiotic which received the Queen's Award); Flixotide (asthma). The pump was refurbished by APM Electro Mechanical Services Ltd. Vacuum Pump used by Glaxo circa 1920
Mercury air pump designed by the late Capt J.H. Thomson to work automatically by means of a water pump Mercury air pump
Double transferrer for air pump experiments, on turned mahogany stand, by Horne and Thornthwaite, London, and Single transferrer for air pump experiments, unsigned, British, 1871-1900 (see note) Double transferrer, and single transferrer for air pump experiments
Tate's double-acting air pump with apparatus for various experiments, late 19th century ( B 1908) Tate's double-acting air pump with apparatus for various experiments
Coloured sectional diagram of Gaede's original mercury vapour pump, 1915 Coloured sectional diagram of Gaede's original mercury vapour pump 1915
Coloured sectional diagram of Langmuir's original mercury vapour pump, 1916 Coloured sectional diagram of Langmuir's original mercury vapour pump 1916
Holweck type molecular vacuum pump by The Mullard Radio Valve Co. Ltd., Balham, London, 1920-1926. Holweck type molecular vacuum pump by The Mullard Radio Valve Co. Ltd. 1920-1926
Air pump demonstration apparatus, 19th century; (1) Magdeburg hemispheres; (2) Windmill demonstration; (3) Guinea and feather Air pump demonstration apparatus 1800-1899
Full size coloured sectional drawing of Holweck's molecular pump Full size coloured sectional drawing of Holweck's molecular pump
McLeod's apparatus for measuring low pressures of gases McLeod's low pressure gas measuring apparatus