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