Pieces for Shaft Associated with Edward Hebern

Pieces for Shaft Associated with Edward Hebern

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The American inventor Edward Hebern (1869-1952) designed a series of machines for encrypting messages. The Smithsonian collections include a few of these as part of accession 1991.0190. Like many inventors, Hebern accumulated a variety of spare parts. These are some of them, part of museum transaction 1991.3033.
Of these six pieces, three have a hole off-center. One has a region cut out of circle.
Currently not on view
Object Name
pieces for shaft
Edward Hebern
Physical Description
steel (overall material)
plastic (overall material)
overall: 3.2 cm x 6.2 cm x 6 cm; 1 1/4 in x 2 7/16 in x 2 3/8 in
ID Number
catalog number
nonaccession number
Credit Line
Gift of T. Scripps Downing
Codes and Ciphers
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Medicine and Science: Mathematics
Data Source
National Museum of American History
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