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Hydrometer, Sikes, brass

1801-1900

Glucometer, London, England, 1885-1936

1885-1936

Alcoholmeter (Manley's patent) made by Joseph Long

Reducing and comparative slide rule, for Excise Officer

1821-1846

Hydrometer, Sikes, brass

Hydrometer, brass, in wooden case

1801-1895

Gilt Sikes' hydrometer

circa 1823

Six-fold 60-inch folding excise gauging rule by Joseph Long

1821-1846

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

1821-1846

Glass acetometer

1940-1860

Hydrometer, in case

Pocket Sikes hydrometer

Hydrometer, brass, in wooden case

1801-1900

Glass acetometer

1820-1880

Comparative or reducing slide rule

1840-1850

Glucometer (c. 1850) signed J LONG LONDON. NO. 4434

1850

Wine and spirit analyser by Joseph Long

Set of three spirit bubbles with thermometer

Round japanned box containing 18 spirit bubbles

1850-1860

Spirit bubbles(3) and thermometer in mahogany case

1840-1920

Temperature and pricing slide rule by J.Long

1860-1870

Ivory ullage and proof rule by J.Long, London

Four-part square section [screwed] 48-inch excise gauging rule by Joseph Long

1821-1846

Six-part round section [screwed] 60-inch excise gauging rod by Joseph Long

1821-1846

Field alcoholometer

Field alcoholometer

Set of four wine merchant's gauging rods and rules

1821-1846

Catalogue of scientific instruments and appliances

1922