Ballantine model T-20-B throat microphone

Ballantine model T-20-B throat microphone

<< >>
Usage conditions apply
Downloads
Description (Brief)
Throat microphone designed and developed for aviators by Stuart Ballantine of Ballantine Labs., Inc. Boonton, NJ. Known as a "talking collar" this device permitted aviators to communicate without removing hands from aircraft controls. References: US Patents 2121778 through 2121781, and 2122191, issued 28 June 1938 to Stuart Ballantine. According to a newspaper account, the Army had been secretly testing Ballentine's throat microphones for "more than three years" at the time the patents issued. Stephen McDonough, "Talking Collar," NY Journal and American, 17 July 1938.
Location
Currently not on view
Object Name
Microphone
Other Terms
Microphone; Audio Devices
date made
ca 1939
associated date
ca 1939
maker
Ballantine Laboratories, Inc.
place made
United States: New Jersey
Measurements
overall: 11 1/2 in x 7 in x 1 in; 29.21 cm x 17.78 cm x 2.54 cm
ID Number
EM.325633
catalog number
325633
accession number
256739
Credit Line
from Ballantine Laboratories, Inc. thru A. W. Parkes
See more items in
Work and Industry: Electricity
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.

Comments

Add a comment about this object