Glass lactometer, England, 1875-1900
1875-1900
Quevenne type special lactometer
Galactometer with case
Glass Gerber hydrometer
1900-1960
Hydrometer, mercury in glass lactometer, with case
1830-1920
Lactometer, in case, by Chevallier, French
Four butyrometers in wood stand for milk testing apparatus
Mercury in glass lactometer, in case
1830-1920
Glass lactometer in case
Lactometer.
Glass lactometer
Lactometer, commercial grade graduated in specific gravity and equivalent milk scale
Glass lactometer
1850-1920
Lactometer, in case, French (Crellin 106)
Lactometer, glass, in cardboard slipcase, c. 1900.
1900
Glass lactometer
Flask for milk testing apparatus
Thermometer for milk testing apparatus
Slide rule for milk testing apparatus
11 c.c syringe for milk testing apparatus
Lactometer in a blue leatherette cardboard tube case for milk testing apparatus
Lactometer or Milk Tester (dated 1869) by MOTTASHEAD & CO
1869
Lactometer, glass, in cardboard container
1901-1930
Lactometer, glass, in cardboard container
1901-1950
Glass lactometer by unknown maker
1900-1960
Hydrometer, mercury in glass lactometer
1801-1830
Glass lactometer with paper scale
4-bottle machine and handle for milk testing apparatus
4-bottle water bath for milk testing apparatus
1ml tilt measure for milk testing apparatus
10ml tilt measure for milk testing apparatus
Glass lactometer
Glass lactometer with integral thermometer with case; scale inscribed 15-45
late 19th century
Glass lactometer with integral thermometer
late 19th century
Lactometer, British Standard 734. Range 1.025 to 1.035 g/ml. G.H. Zeal Ltd.
Lactometer, made by Dairy Supply Co
1910-1950
Lactometer, mercury in glass
1830-1920