Cipher Machine Component Associated with Edward Hebern - Rotor Component


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.

In this piece, two attached steel discs with geared edges and a circle of holes are attached to a black bakelite ring with no wiring. The rotor is Incomplete.

Maker: Edward Hebern

Location: Currently not on view

Subject: Mathematics, Codes and Ciphers

See more items in: Medicine and Science: Mathematics


Exhibition Location:

Credit Line: Gift of T. Scripps Downing

Data Source: National Museum of American History

Id Number: 1991.3033.006Catalog Number: 1991.3033.006Nonaccession Number: 1991.3033

Object Name: rotor component

Physical Description: steel (overall material)plastic (overall material)Measurements: overall: 1.6 cm x 10.3 cm x 10.3 cm; 5/8 in x 4 1/16 in x 4 1/16 in


Record Id: nmah_692610

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