Prototype Hebern Cipher Machine
name: label: maker
content: Hebern, Edward
label: maker
content: Edward Hebern
notes: label: Description
content: This is a prototype rotary cipher machine made by the American inventor Edward Hebern. The metal, ceramic, glass and rubber device has a metal base with four short metal legs. The base supports a variety of electrical components, including numerous cloth-covered wires, a motor, a fuse in a white ceramic cylinder and other fuses of glass, and a relay in a metal case on top of the device. There is another relay at the back. On the right side is a large rotor. There are several wires taped together, attached to a disc-shaped connector which may fit into 1991.0190.03. On the left side is a disc-shaped device, as well as two prongs that may link the prototype to a power supply. Dimensions do not include plug.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
label: Subject
content: Codes and Ciphers
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Military
creditLine: label: Credit Line
content: Gift of T. Scripps Downing
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1991.0190.04
label: accession number
content: 1991.0190
label: catalog number
content: 1991.0190.04
objectType: label: Object Name
content: cipher machine
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: glass (overall material)
label: Measurements
content: overall: 19 cm x 38 cm x 21.5 cm; 7 15/32 in x 14 31/32 in x 8 15/32 in