Dark green glass flask
1750-1850
Glass flask, from Pasteur's laboratory at Lille
Green glass flask
1801-1900
Glass conical flasks
1801-1900
Green glass flask
1750-1850
Glass flask
701-900
glass flask, possibly pharmaceutical
Clear glass flask
1851-1920
Pale green flask, glass, European, 1800-1900
1800-1900
Pale green glass flask, European, 19th century
1801-1900
Clear glass round-bottomed flask
1820-1880
Blue glass flask
1801-1900
Clera glass flask
1801-1900
Flask, green glass
1851-1900
Pale green glass flask, European, 19th century
1801-1900
Pale green glass flask
1801-1900
Glass funnel only from a flask
1501-1600
Small clear glass flask
1801-1900
Pale green flask
1801-1900
Conical flask, greenish glass, Europe, 1601-1800
1601-1800
Glass flask
1840-1890
Pale green flask, glass, European, 1800-1900
1800-1900
Clear glass flask
1880-1915
Flask, clear glass
1851-1900
Flask, clear glass
1851-1900
Pale green glass flask
1801-1900
Flask, clear glass
1851-1900
flasks, clear glass
1851-1900
Large green glass flask
1801-1900
Clear glass flask
1851-1900
Flask, clear glass
1851-1900
Large clear glass flask with bulbous body and wide cylindrical neck
1850-1920
Decorative Glass Vessel, Spanish, early 19th century.
1801-1833
Squat bulbous glass flask
1860-1910
Glass flask, waisted in the middle
1701-1900
Green glass flask
1701-1850
Clear "Pyrex" glass conical flask
1880-1930
Clear glass flask by James Powell and Sons Whitefriars
1880-1930
Flask, clear glass
1851-1900
Clear glass flask
1801-1900
Clear glass flask
1871-1920
Flask, clear glass
1851-1900
Clear glass flask
1851-1900
Clear glass flask
1851-1900
Green glass flask
1871-1920
Clear glass flask
1901-1950
Clear glass flask
1851-1920
Green glass flask
1801-1900
Clear glass flask
1801-1900
Flat bottomed round flask with z-shaped tube set on neck
1801-1900