Savart apparatus with wheel and indicator
1885
Redwood viscometer made by Townson and Mercer
Teclu Type Gas Burner, 1900-1905
1900-1905
Plug resistance box by Townson and Mercer
1900-1980
Portable incubator and stand by Townson and Mercer
Pensky-Martens flash point apparatus
Double Gyroscope Apparatus, with components
1890
Simple copper voltameter on mahogany base
1900-1920
Gas burner by Townson and Mercer
1910
Deflection magnetometer compass
1900-1939
Karl Fischer apparatus by Townson and Mercer
1951-1960
Model of eye with spectacle lenses
1900-1905
Solar radiation thermometer, 1849.
1849
Bertin commutator
1886
Hempel pipette for solid substances
Gold leaf electrometer with sliding condenser
1886
Volta's condensing electroscope
1897-1910
Counter-current ("Liebig") condenser
Battery of four Leyden jars
1897-1918
Sturgeon mercury break
1886
Tangent galvanometer with mahogany base and former and three coils
1900-1960
Gas regulator: Tollen's form
1886
Components for fixed-axis gyroscopes
1890
Double Gyroscope Apparatus, English, 1890
1890
Bunsen burner from Dr. Thorpe's revenue still apparatus
1874-1905
Gas regulator: Lothar Meyer's
1886
Glass specific gravity hydrometer marked Townson & Mercer
1900-1960
Glass hydrometer by Townson & Mercer
1870-1910
Strohlein apparatus for rapid determination of carbon in iron and steel
1950-1960
Soxhlet's extraction apparatus and components
1885
Hempel explosion pipette for use with water
Fractional distilling tube
Dr. Thorpe's revenue still apparatus and components
Apparatus for demonstrating Lissajou's figures by means of two vibrating metal arms carrying mirrors
1918-1949
Hempel's gas-pipette
Boiler, for reaction vessels
1851-1900
Kjeldahl's apparatus for determination of nitrogen content
1912
Argand Gas Burner, 1901-1914
1901-1914
Congo Red dye
Stopclock with resettable minute and second hands
1900-1980
Abel flashpoint apparatus, 1900
circa 1900
Sacker viscometer for testing lubricating oil, with stand and components
circa 1885
Bertin commutator by Townson and Mercer
1897-1918
Hand centrifuge, 1912.
1912
Glass hydrometer marked Townson & Mercer. Range 0.700 - 1.000. 293mm long. Mercury weight and paper scale
1900-1960
Glass specific gravity hydrometer marked Townson & Mercer
1900-1960
Glass Twaddell No 5 hydrometer marked Townson & Mercer
1900-1960
Varley's carbonised cloth rheostat by Townson & Mercer
1890-1939