Flask
1880-1950
Glass flask containing urine
1865-1877
Flat bottomed flask with a thick flat ground glass lip
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,
Flat bottom flask
1965-1980
Kjeldhal flask 300mL
Glass flask
1922-1975
round bottom flask
1915-1959
Glass flask
1920-1940
Specific gravity flask
500ml Pyrex Kjeldahl flask
1922-1975
Lister flask with spout
Measuring flask for helium
Round bottom distillation flask with side arm.
1922-1975
250ml Pyrex distillation flask with side arm
1922-1975
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
Glass flask
1922-1975
One mark volumetric flask
50ml distillation flask with short side tube
1922-1975
500ml Pyrex Kjeldahl flask
1922-1975
500ml Pyrex Kjeldahl flask
1922-1975
500ml Pyrex Kjeldahl flask
1922-1975
Flat bottomed flask with ground glass neck
Flat bottomed flask with ground glass neck
Flat bottomed flask with ground glass neck
150ml Pyrex round bottom long neck boiling flask
1922-1975
Flat bottomed round flask with long neck and lip
1922-1975
Round flask with flat bottom
Two-neck round bottomed flask
Spherical silvered flask with draining tube
1900-1982
Glass flask with spout
Volumetric flask, glass, 250ccm
1907-1912
Alabastron with narrow neck and three loop handles
1500-1000 BCE
Small cylindrical alabastron or oil bottle
500-350
Cylindrical alabastron or oil bottle
600-300 BCE