Difference between revisions of "EE-1"
Jump to navigation
Jump to search
Line 1: | Line 1: | ||
+ | The EE-1 Buzzerphone maked '''secret'''telegraphic communication possible, while non-secret telephone conversation could be carried on simultaneously over the same circuit. | ||
[[File:EE-1 Buzzerphone.jpg]] | [[File:EE-1 Buzzerphone.jpg]] | ||
Revision as of 13:19, 1 November 2015
The EE-1 Buzzerphone maked secrettelegraphic communication possible, while non-secret telephone conversation could be carried on simultaneously over the same circuit.
Reference
WI PA-01 Wire Communication (Electrical-Engineering) Pamphlet no.1, May 21.1918