Glass flask
1920-1940
Flat bottomed B24 Quickfit round flask
Round bottomed flask with B24 Quickfit joint
Round flask with flat base and B24 Quickfit joint
50ml single graduation volumetric flask
Erlenmeyer (conical) flask, 500mL
1922-1975
Flat bottom flask, 300mL
1922-1975
Flat bottom flask, 300mL
1922-1975
Round bottom boiling flask.
Round bottom Pyrex boiling flask
Claisen distillation flask, 250mL
1922-1975
Round bottomed distillation flask with side arm
Round bottom flask, long neck, 200mL
1922-1975
Round bottom flask, 500mL
250 ml Round bottomed flask with a B24 Quickfit joint
Flat bottom flask, 300mL
1922-1975
Glass flask
Volumetric flask
Stoppered glass flask marked L1000 grains ten 60
1839-1844