Plumb Bob

Plumb Bob

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Description
This cylindrical brass plumb bob was apparently used by Llewellyn N. Edwards (1873-1952), a civil engineer.
Location
Currently not on view
Object Name
plumb bob
Measurements
overall with ball of string: 11 1/4 in x 3 in; 28.575 cm x 7.62 cm
ID Number
PH.323701
catalog number
323701
accession number
252502
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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