Abel flashpoint apparatus by Townson and Mercer Ltd., with two thermometers, in box, serial no. 2320, calibration stamps 1927, 1943, c. 1900 Abel flashpoint apparatus, 1900 circa 1900
Kjeldahl's apparatus for determination of nitrogen content Kjeldahl's apparatus for determination of nitrogen content 1912
Sacker viscometer for testing lubricating oil. Sacker viscometer for testing lubricating oil, with stand and components circa 1885
Apparatus for demonstrating Lissajou's figures by means of two vibrating metal arms carrying mirrors, by Townson and Mercer, 34 Camomile St., London, EC3 (Incomplete: one vibrator missing) Apparatus for demonstrating Lissajou's figures by means of two vibrating metal arms carrying mirrors 1918-1949
Stopclock with resettable minute and second hands, by Townson and Mercer Ltd., London Stopclock with resettable minute and second hands 1900-1980
Boiler, for reaction vessels, with stoppers, by Townson and Mercer, 89 Bishopsgate Street, London, England, 1851-1900. Boiler, for reaction vessels 1851-1900
Strohlein apparatus for rapid determination of carbon in iron and steel by volumetric analysis by Townson and Mercer, London, 1950-1960 Strohlein apparatus for rapid determination of carbon in iron and steel 1950-1960
Glass Twaddell No 5 hydrometer marked Townson & Mercer. 218mm long. Range 102 - 138. Mercury weight and paper scale. In black cardboard tube; top has end missing, 1900 - 1960. Hydrometer Index 264. Glass Twaddell No 5 hydrometer marked Townson & Mercer 1900-1960
Glass specific gravity hydrometer marked Townson & Mercer. Range 1.500 - 2.000. Mercury weight and paper scale. In cardboard tube, cap missing, 1900 - 1960. Glass specific gravity hydrometer marked Townson & Mercer 1900-1960
Dr. Thorpe's revenue still apparatus, consisting of double retort stand, glass tube still, two flasks and bunsen burner by Townson & Mercer. Dr. Thorpe's revenue still apparatus and components
Glass hydrometer marked Townson & Mercer. Range 0.700 - 1.000. 293mm long. Mercury weight and paper scale, 1900 - 1960. No case. Glass hydrometer marked Townson & Mercer. Range 0.700 - 1.000. 293mm long. Mercury weight and paper scale 1900-1960
Varley's carbonised cloth rheostat by Townson & Mercer, consisting of a number of cloth discs which can be compressed by a screw Varley's carbonised cloth rheostat by Townson & Mercer 1890-1939
Hempel explosion pipette for use with water, with burette and pressure tube, (added in 1904) Hempel explosion pipette for use with water
Bertin commutator by Townson and Mercer, 34 Camomile Street, London EC. Bertin commutator by Townson and Mercer 1897-1918
Argand type gas burner by Townson and Mercer, London, early 20th century. Argand Gas Burner, 1901-1914 1901-1914