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Short and Mason of Aneroid Works, Macdonald Road, Walthamstow, London, E17. (1922 and 1929)
Ditto Address. Telephone: Larkswood 3371-6. cables: "Aneroid, 'Phone, London". (1947)
1864 Business established
Established by Thomas Watling Short and William James Mason in London. The business was located at 40 Hatton Garden, London, producing precision measuring instruments including barometers, anemometers and compasses. They became leaders in the field of barograph design.
1876 Listed at 40 Hatton Garden.
1901 Partnership dissolved. '... the Partnership heretofore subsisting between us the undersigned, Thomas Watling Short and William James Mason, carrying on business as Aneroid Barometer Makers and Manufacturers of other Scientific Instruments, at 40, Hatton-garden, in the county of London, under the style or firm of Short and Mason, has been dissolved by mutual consent. All debts due to and owing by the said late firm will be received and paid by the said Thomas Watling Short...'
c.1900 Acquired by Taylor Instrument Company
1904 They patented a barograph, called a Cyclo-stormograph, in which the vacuum chamber and the first link are housed underneath the base plates.
1910 Moving from Hatton Garden, London, the company relocated to Macdonald Road in Walthamstow.
1921 They pioneered the theory that a storm forecast could be made from just observing the air pressure and whether it was rising or falling. Short and Mason obtained a copyright for this forecast in 1921.
1922 Listed Exhibitor - British Industries Fair. Manufacturers of Aeronautical, Medical, Meteorological and Surveying Instruments - including Barographs, Rain Gauges; Prismatic and Reflecting Levels; Gas Pressure Gauges; Tycos Sphygmomanometers. (Stand No. G.3) 
1929 Advert in British Industries Fair Catalogue as an Optical, Scientific and Photographic Exhibit. Manufacturers of Aeronautical, Medical, Meteorological and Surveying Instruments, Barographs, Thermographs, Rain Gauges, Pocket and Military Compasses, Prismatic and Reflecting Levels, Gas Pressure Gauges, Tycos Sphygmomanometers. Specialists in Temperature Regulators, etc. (Scientific Section - Stand No. O.6) 
1937 Aeronautic and scientific instruments. "Brown" Turn Indicators. 
1939 See Aircraft Industry Suppliers
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Indicators, Recorders and Controllers, for Temperature Pressure, Humidity, Time, Flow and Liquid Level. Aircraft and Meteorological Instruments, Barometers, Barographs, Thermographs, Anemomometers, Hygrometers, Industrial, Chemical Laboratory Thermometers. (Olympia, Ground Floor, Stand No. D.1688) 
c1958 The business moved to Wood Street.