Flask
1880-1950
Glass flask containing urine
1865-1877
Glass flask with wooden base on brass pillar
1800-1899
Flat bottomed round flask with long neck and lip
1922-1975
Two-neck round bottomed flask
Glass flask with spout
Glass flask
Round bottom flask
1926-1954
Round bottom flask
1926-1956
Parting flask for assaying, associated with M. Berthelot
2 litre round bottom pyrex flask.
1922-1975
2 litre round bottomed flask
1910-1930
Flat bottomed flask with long neck
Round bottom flask
Flat bottomed flask with stained fibrous material in neck
1919-1930
Flat bottomed flask
1908-1940
Flat bottomed flask
1920-1929
250ml Flat bottomed flask with long neck
25ml volumetric flask.
1950-1965
Glass flask
1922-1975
Glass flask
1922-1975
Glass flask
1922-1975
Glass flask
1922-1975
Glass flask
1922-1975
Flat bottomed flask with a thick flat ground glass lip
Flat bottomed flask.
1900-1930
Flat bottomed flask with stained fibrous material in neck
1919-1930
Flat bottomed florence flask
1910-1930
250ml Volumetric flask with 14/15 ground glass neck
110ml Sugar flask with two graduations
100ml Extraction flask
Glass flask
1922-1975
100ml Volumetric flask with ground glass neck
Distillation flask with side tube at 90° to 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
Grade B 20ml volumetric flask,
Kjeldhal flask 300mL
Glass flask
1922-1975
round bottom flask
1915-1959
Erlenmeyer conical flask
Glass flask
1920-1940
Specific gravity flask
500ml Pyrex Kjeldahl flask
1922-1975
Measuring flask for helium
Round bottom distillation flask with side arm.
1922-1975