Clarke's Hydrometer (c. 1755)
1755
Sikes' Hydrometer
1850-1860
Hydrometer for caustic soda
Glucometer, London, England, 1885-1936
1885-1936
Glass lactometer, England, 1875-1900
1875-1900
Quevenne type special lactometer
Bate's Saccharometer (c. 1860)
1830
Set of 5 mercury-in-glass Sikes' hydrometers by Peter Stevenson
Sikes' hydrometer by Loftus
Hydrometer for alcohol; Cartier and Gay-Lussac scales
Portable Sikes' hydrometer by Dring and Fage
1873
Sikes' Revenue Hydrometer, 1816-1873.
1816-1873
Sikes hydrometer
Russell urine test case
Brass Richardson's saccharometer by J. and E. Troughton
1780-1790
Towers' Streamline Hydrometer
1920-1930
Brass hydrometer set
1810-1830
Pair of glass Sikes' hydrometers (one not original) in case with thermometer
1930
Galactometer with case
Urinometer with measuring cylinder, cased, England, 1830-1900
1830-1900
Dicas hydrometer, by Dicas of Liverpool, c. 1800
1801-1820
Gilt Sikes' hydrometer
circa 1823
Sikes hydrometer, with thermometer, cased
Dicas hydrometer with weights
1781
Glass 'Dr Vogel's' urinometer
1870-1940
Three gilt Tate saccharometers by Dring and Fage
1961
"Hezzanith" Salinometer
1940-1950
Gilt customs and excise standard no 1 (Sikes) hydrometer by J J Hicks
1870-1930
Baume hydrometer by T. O. Blake
Salinometer in gilt brass having a rectangular stem inscribed with scale 0
late 19th century
Carwardine type saccharometer, England, 1894-1930
1894-1930
Twaddell's No. 1 hydrometer, scale 0-24.
Allan's Saccharometer (c. 1840) signed P STEVENSON MAKER EDINBURGH
1840
Cartier hydrometer, scale 10-45.
Hydrometer set
1740-1800
Sikes hydrometer, cased, by Loftus of London
Glass Gay-Lussac hydrometer (densimeter)
1871-1900
Hydrometer (Pese sirops Beaume) in wooden case
Twaddell hydrometer
1920- 1960
Sikes' Hydrometer, English, 1903-1938
1903-1938
Improved saccharometer
1825-1835
Sikes' hydrometer by Buss
1896
Glass acetometer
1940-1860
Pocket Sikes hydrometer
Improved hydrometer with four weights
1815-1825
Oleometer in box
Gilt Sikes type hydrometer by T O Blake
1870-1930
Sikes' hydrometer as at present used by Customs
Glass brinometer by unknown maker
1900-1950
Glass 'streamline' hydrometer marked J W Towers Ltd
1930-1960