Flask
1880-1950
Glass flask containing urine
1865-1877
Glass flask with wooden base on brass pillar
1800-1899
Flat Bottomed Flask Graduated to 200 cc, 1910-1915
1910-1915
Flask, flat bottom boiling with three necks
Three neck flat bottomed round flask
Long necked round bottomed flask
Three neck flat bottomed round flask
Three neck flat bottomed round flask
Flat bottomed round flask with long neck and lip
Glass flask; glass stopper; brass capped
1761
Glass flask
1920-1940
Glass flask
Flat bottomed round flask with long neck and lip
1922-1975
Two-neck round bottomed flask
Round flask with flat bottom
2 litre round bottom pyrex flask.
1922-1975
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
Flask with two ground glass openings directly opposite each other
250ml Volumetric flask with 14/15 ground glass neck
110ml Sugar flask with two graduations
Glass flask
1922-1975
100ml Volumetric flask with ground glass neck
50ml single graduation volumetric flask
50ml single graduation volumetric flask
Grade 'B' 20ml volumetric flask.
25ml volumetric flask.
1950-1965
50ml single graduation volumetric flask
50ml single graduation volumetric flask
Grade B 20ml volumetric flask,
Round bottom flask with two openings
Flat bottom flask
1965-1980
Kjeldhal flask 300mL
Glass flask
1922-1975
Grade 'B' 200ml volumetric flask graduated at one mark.
round bottom flask
1915-1959
Glass flask
1920-1940
Specific gravity flask
500ml Pyrex Kjeldahl flask
1922-1975
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
