Kelvin portable electrometer, 1867 type, by James White. Ex-Antarctic Expedition, 1901 Kelvin portable electrometer 1867
Kelvin's harmonic analyser for tidal computations, 1878 Kelvin's harmonic analyses for tidal computations 1878
Sinker and valved tube with detaching appliance, for pianoforte wire sounding machine, c.1873. Sinker and valved tube with detaching appliance 1870-1876
Brass tube, with a brass cap at one end, containing a glass tube, which has a brass cap at one end and open at the other end, and contains traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876 Brass tube, to carry a glass tube containing a chemically prepared example, for Ocean depth sounding machine, used for marine vessel navigation 1876
Brass tube, with a brass cap at one end, containing a glass tube, which has a brass cap at one end and open at the other end, and contains traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876 Brass tube, to carry a glass tube containing a chemically prepared example, for Ocean depth sounding machine, used for marine vessel navigation 1876
Specifications of Patents. Kelvin and others against Whyte, Thomson, and Company. [Collection of twelve patents and their drawings relevant to the court case between Lord Kelvin et al. and Whyte, Thomson & Co. Nine relate to ships' compasses, three to incandescent gas lamps. 1 vol.] Specifications of Patents. Kelvin and others against Whyte 1854-1906
Brass tube, with a brass cap at one end, containing a glass tube, which has a brass cap at one end and open at the other end, and contains traces of silver chromate and / or silver chloride, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876 Brass tube, to carry a glass tube containing a chemically prepared example, for Ocean depth sounding machine, used for marine vessel navigation 1876
Telegraph, 1898 Jul 3 [to] Maclean, Physical Laboratory, University [of] Glasgow / [Baron] Kelvin. [He writes " this is transmitted commercially through ether from Alum Bay [Isle of Wight] to Bournemouth and by postal telegraph thence to Glasgow". The first such commercial telegraph. Maclean was assistant in the Physical Laboratory, and later professor at Glasgow Technical College] Telegraph, 1898 Jul 3 [to] Maclean 1898
[Letter, n.d.] Druid's Cross, Wavertree, Liverpool [to] Mr. Maclean / W. Thomson, [re particular laboratory apparatus. Maclean was assistant in the Physical Laboratory, University of Glasgow. 4p. (on 1 leaf), holograph signed] [Letter, n.d.] Druid's Cross nd.
Prof. William Thomson's fuel calorimeter, by A. Gallenkamp & Co. Ltd., London, England, 1886-1900. Prof. William Thomson's fuel calorimeter 1886-1900
Kelvin divided ring electrometer and gauge, made by William Thomson, 1st Baron Kelvin, 1861 Kelvin divided ring electrometer and gauge, 1861 1861
Galvanised cast iron sinker weight hollowed at base, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876 Galvanised cast iron sinker weight hollowed at base 1876
Binnacle with correctors for quadrantal semicircular and heeling errors, azimuth mirror used to take bearings from compass by raising the line of sight, azimuth mirror component, and key for compass binnacle, patented by William Thomson, and made by James White, Glasgow, Scotland, 1876-1879 Binnacle with correctors for quadrantal semicircular and heeling errors 1876-1879
[Letter] 1890 Jul 7, The University, Glasgow, to Dr (John Ambrose) Fleming / William Thomson, [later Lord Kelvin. He has 'looked into the matter of contact electricity and the multicellulars', giving details of readings. Major Cardew showed him his multicellular [voltmeter] and got different readings. Thomson is going to investigate this difference but thinks it may be due to 'the varnishing of the aluminium needle'. 4p ts. on 1 leaf, holograph signed] Letter 1890
(Lord Kelvin) Thomson's centi-ampere balance from 1 to 50 centi-amperes, made by J. White, Glasgow, 1888. Box contains sliding weights counterpoises, thermometer reading glass, and other accessory apparatus for use with the above. Thomson Type Current Balance, 1888 1888
Kelvin type 4-inch aperiodic compass with gimbals, plus binnacle and brass hood, by James White, Glasgow, Lanarkshire, Scotland, 1876. The Kelvin type 4-inch aperiodic compass with gimbals, plus binnacle and brass hood was presented in 1876 by Lord Kelvin, Sir William Thomson. Kelvin type 4-inch aperiodic compass with gimbals 1876
Brass tube, containing a glass tube, which has a brass cap at one end and open at the other end, containing traces of silver chromate and / or silver chloride, lashed to a hemp rope - which is tied to a galvanised cast iron sinker weight hollowed at base, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876 Brass tube, lashed to a hemp rope, which is tied to a galvanised cast iron sinker weight, for Ocean depth sounding machine, used for marine vessel navigation 1876
Tin cylindrical canister, with attached hinged lid and carrying handle, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876 Tin cylindrical canister 1876
Two Glass tube brass cap end fragments, for containing a chemically prepared example, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876 Two Glass tube brass cap end fragments 1876
Sighting attachment, patt.57, for compass with Kelvin's Azimuth mirror replaced with prism, unsigned, (1913-1939). Based on William Thomson, Baron Kelvin's 1883 patent. Sighting attachment for compass, with carrying case 1913-1939
Galvanised cast iron sinker weight hollowed at base, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876 Galvanised cast iron sinker weight hollowed at base 1876
Galvanised cast iron sinker weight hollowed at base, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876 Galvanised cast iron sinker weight, for Ocean depth sounding machine, used for marine vessel navigation 1876