Whirling psychrometer for measuring humidity
1950-1953
Berthelot Mahler bomb calorimeter
1889
Laboratory Lamp
1910-1920
25ml volumetric flask.
1950-1965
50ml single graduation volumetric flask
Gallenkamp carbon dioxide/air mixer
Photo-electric Colorimeter with a voltage transformer. The colorimeter consisting of a lamp
1900-1980
250ml Volumetric flask with 14/15 ground glass neck
110ml Sugar flask with two graduations
100ml Volumetric flask with ground glass neck
50ml single graduation volumetric flask
Grade 'B' 20ml volumetric flask.
50ml single graduation volumetric flask
25ml volumetric flask.
1950-1965
50ml single graduation volumetric flask
50ml single graduation volumetric flask
50ml single graduation volumetric flask
Grade B 20ml volumetric flask,
Test tube with arm
50ml single graduation volumetric flask
50ml single graduation volumetric flask
Glass 'Technico' hydrometer
1860-1980
Glass specific gravity hydrometer marked Gallenkamp
1930-1980
Glass 'Technico' hydrometer. 192mm long. Range 1.700 - 1.750. Lead weight and paper scale. In dark blue cardboard tube
1930-1980
Glass 'Technico' hydrometer. 184mm long. Range 1.850 - 1.900. Mercury weight and paper scale. In black cardboard tube
1930-1980
Glass 'Technico' specific gravity hydrometer
1930-1980
Glass specific gravity hydrometer marked Gallenkamp
1930-1980
Glass 'Technico' specific gravity hydrometer
1930-1980
Glass 'Technico' specific gravity hydrometer
1930-1980
Glass 'Technico' specific gravity hydrometer
1930-1980
Glass 'Technico' hydrometer. 183mm long. Range 1.400 - 1.500. Lead weight and paper scale. In green cardboard tube
1860-1980
Glass hydrometer marked Gallenkamp and marked 'Spec. Gew.'
1900-1940
Specific gravity hydrometer
Specific gravity hydrometer
Glass specific gravity hydrometer marked Gallenkamp
1930-1980
Glass specific gravity hydrometer marked Gallenkamp
1930-1980
Glass hydrometer marked Gallenkamp
1930-1960
Glass medium S. T. hydrometer by Gallenkamp
1920-1960
10ml Volumetric flask with groung glass neck and single graduation mark
20ml Volumetric flask with long neck lip and single graduation
25ml Volumetric flask with lip and single graduation
Sintered filter funnel with ground glass joint
One mark volumetric flask
Condenser, Allihn's type. Made in England by Gallenkamp
Glass specific gravity hydrometer marked Gallenkamp
1930-1980
Glass 'Technico' specific gravity hydrometer
1930-1980
Mercury immersion thermometer
1979-1984
Mercury immersion thermometer
1979-1989
Pipettes; 10cc in 1/10th
