Clarke's Hydrometer (c. 1755)
1755
Hydrometer, France, 1810-1820
1810-1820
Set of 3 Tate hydrometers
1960
Hydrometer, in case
1880-1900
Dancer Hydrometer
1855-1865
Sikes Hydrometer
1870-1880
Towers' Streamline Hydrometer
1920-1930
Lactometer, in case, by Chevallier, French
11 c.c syringe for milk testing apparatus
Lactometer in a blue leatherette cardboard tube case for milk testing apparatus
Glass hydrometer by unknown maker
1870-1950
Gilt salinometer by unknown maker
1870-1950
Brass hydrometer set
1810-1830
Bate's saccharometer by R.B. Bate
1800-1870
Glass hydrometer with specific gravity seal for liquids from petroleum ether to oleum
Hydrometer, range 3.0-3.2
Buss Hydrometer
1890-1900
Hydrometer, Bate's saccharometer
Dicas hydrometer, by Dicas of Liverpool, c. 1800
1801-1820
Hydrometer marked O or W at top
Salt water test hydrometer
Lactometer or Milk Tester (dated 1869) by MOTTASHEAD & CO
1869
Carnardine's saccharometer by Mayer and Meltzer
Clarke's improved hydrometer
1792
Clarke's export hydrometer in box.
Bate's Saccharometer (c. 1860)
1830
Sikes' hydrometer as at present used by Customs
Glass hydrometer made in Germany
1870-1914
Improved hydrometer with four weights
1815-1825
Sikes hydrometer, cased, by Loftus of London
Saccharometer, in case with weights and thermometers
Nineteen glass hydrometers (in fitted box) constructed by T.O. Blake
Sikes hydrometer
Clarke's hydrometer 5" long
1750-1760
Hydrometer made by T. Gill
circa 1800
Hydrometer for heavy liquids
Glucometer (c. 1850) signed J LONG LONDON. NO. 4434
1850
Nickel-silver salinometer
Four weight hydrometer, in box, serial no 13941.
circa 1817
Allan's Saccharometer (c. 1840) signed P STEVENSON MAKER EDINBURGH
1840
Baume hydrometer by T. O. Blake
Lactometer.
Twaddell's No 1 hydrometer in glass
Ivory Hydrometer (c. 1700-30)
1700-1730
Hydrometer by DAVIS OF LEED.
Salinometer in gilt brass having a rectangular stem inscribed with scale 0
late 19th century
Set of 5 brass Tralles' hydrometers with a Gay-Lussac hydrometer
1900-1950
Set of 6 Twaddell hydrometers nos 4-6 made by William Twaddell
Fletcher's thermohydrometer
