Transformers Associated with Edward Hebern

Transformers 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.
This black bakelite base holds two transformers each in a metal frame. Wires covered with black plastic or cloth; with metal lugs at both ends; are attached to the sides of the transformers. A mark reads: GARDNER (/) ELECTRIC MFG. CO. (/) EMERYVILLE.
Currently not on view
Object Name
Edward Hebern
Physical Description
plastic (overall material)
metal (overall material)
both metal frames are marked. (overall material)
overall: 5.3 cm x 16 cm x 8 cm; 2 3/32 in x 6 5/16 in x 3 5/32 in
ID Number
catalog number
nonaccession number
Credit Line
Gift of T. Scripps Downing
Codes and Ciphers
See more items in
Medicine and Science: Mathematics
Data Source
National Museum of American History
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