Cipher Machine Components Associated with Edward Hebern, Three Rotors on Shaft
name: label: maker
content: Edward Hebern
notes: label: Description
content: 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.
label: Description
content: More specifically, this is a group of three cipher machine rotors on a shaft with and endpiece. The black plastic rotors are numbered "5"; "4"; and "2". They have a notched disc at the center. Twenty-six cloth-covered wires pass through the disc at the center of each rotor and attach on each side. L-shaped metal contacts are in a ring around the wires. Two dividers are also positioned on the shaft.
label: Description
content: Rotor "2" is also marked "CODE WHEEL". The rightmost divider is marked "EXTRA".
label: Description
content: Compare these rotors to those of 1991.190.02.
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
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: 1991.3033.001
label: catalog number
content: 1991.3033.001
label: nonaccession number
content: 1991.3033
objectType: label: Object Name
content: rotors
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: plastic (overall material)
label: Physical Description
content: cloth (overall material)
label: Measurements
content: overall: 10.5 cm x 16.5 cm x 10 cm; 4 1/8 in x 6 1/2 in x 3 15/16 in