Collection

Joseph Long

occupation:
Hydrometer instrument maker, Mathematical instrument maker, Optical instrument maker
Nationality:
British

Traded at 20 Little Tower St. (1821-84) & 43 East Cheap (1885-1936) both London, England

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Glucometer, London, England, 1885-1936

Glass acetometer

Gilt Sikes' hydrometer

Round japanned box containing 18 spirit bubbles

Alcoholmeter (Manley's patent) made by Joseph Long

Reducing and comparative slide rule, for Excise Officer

Hydrometer, brass, in wooden case

Pocket Sikes hydrometer

Hydrometer, in case

Hydrometer, by Dring and Fage

Four-fold 48-inch folding excise gauging rule by Joseph Long

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