Florence Flask

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A Florence flask is a common piece of laboratory glassware used to hold solutions. It has a long neck, a round body, and either a flat or round bottom. The opening in the neck is flanged. This style allows for uniform heating and swirling of contents.
Currently not on view
Physical Description
glass (overall material)
overall: 19.7 cm x 10.2 cm; 7 3/4 in x 4 in
overall: 6 3/4 in x 3 1/2 in; 17.145 cm x 8.89 cm
ID Number
catalog number
accession number
Credit Line
Gift of John William Christopher Draper and James Christopher Draper
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Medicine and Science: Chemistry
Science & Mathematics
Artifact Walls exhibit
Data Source
National Museum of American History


How old is the flask? When were Florence flasks developed?

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