Flask
1880-1950
Air-sampling flask used for observations of atmospheric carbon dioxide, 1980s
1980s
Glass flask containing urine
1865-1877
Flask, flat bottom boiling with three necks
Lister flask with spout
Parting flask for assaying, associated with M. Berthelot
Beaker flask by Moncrieff, Scotland, 250mls.
Gas exploding flask of thick glass with stopper
1800-1820
Gas flask
Glass flask with wooden base on brass pillar
1800-1899
Roman flask
300BCE-200CE
Measuring flask for helium
Glass flask
1922-1975
Round bottom flask
1926-1956
Flat bottomed flask
1908-1940
Filter flask with side-arm
Distillation flask
Distillation flask Ladenburg
Three neck flat bottomed round flask
Round bottom flask.
Ladenburg Fractional Distillation Flask
1920-1950
2 litre round bottom pyrex flask.
1922-1975
Round bottom flask with two openings
Glass flask
1920-1940
Distillation flask
Glass flask
1922-1975
Flat bottomed flask
1920-1929
Flat bottomed flask with stained fibrous material in neck
1919-1930
Conical (Erlenmeyer) flask with ill fitting glass stopper
Distillation flask with side tube and round bottom.
Flat bottomed flask with stained fibrous material in neck
1919-1930
500ml Pyrex Kjeldahl flask
1922-1975
Distillation flask
Glass flask
1922-1975
500ml Pyrex Kjeldahl flask
1922-1975
Kjeldahl flask with hooks and a ground glass neck
Distillation flask
Flat bottomed flask.
1900-1930
Flat bottomed flask
Three neck flat bottomed round flask
Glass flask
1922-1975
Distillation flask
500ml round bottomed glass flask with narrow ground glass neck.
Erlenmeyer conical flask
Grade 'B' 20ml volumetric flask.
25ml volumetric flask.
1950-1965
Glass flask
1922-1975
Round bottom distillation flask
1920-1940
Round bottomed flask with stained fibrous plug
