evacuated tube ?
Date: mid 19th Century
Inventory Number: DW0607
Classification: Vacuum Bottle
Subject:
Cultural Region:
Dimensions:
9 x 113.3 x 5.5 cm (3 9/16 x 44 5/8 x 2 3/16 in.)
Description:
Long glass tube with brass caps. Top cap has a brass ball connector and lower end has stopcock for vacuum pump attachement.
Signedunsigned
FunctionFor experiments in reduced atmospheric pressure conditions.
Sometimes these were used for the "guinea and feather" experiements but this one seems longer and heavier than these usually are.
Sometimes these were used for the "guinea and feather" experiements but this one seems longer and heavier than these usually are.
ProvenanceWas gifted to David Wheatland in Paris, 1963.