Telegraph. Multiplex telegraphy and telephony, letter submitting in response to Senate resolution 149, report concerning discovery of multiplex telegraphy and telephony and extent to which this system is now used.
Publication Title:
Telegraph. Multiplex telegraphy and telephony, letter submitting in response to Senate resolution 149, report concerning discovery of multiplex telegraphy and telephony and extent to which this system is now used.
Display Title:
Telegraph. Multiplex telegraphy and telephony, letter submitting in response to Senate resolution 149, report concerning discovery of multiplex telegraphy and telephony and extent to which this system is now used.
Corporate Agency Authors:
Commerce Department
Sort Author:
Commerce Department
Date:
1926
Publish Date ISO Format:
1926-01-01T00:00:00Z
Publication Start:
19260101
Publication End:
19261231
Corporate/Agency Author:
Commerce Department
Publication month:
13
Publication year:
1926
Description:
iv+39 p.
Notes:
(S. doc. 172, 69th Cong. 2d sess.)
Notes:
(S. doc. 172, 69th Cong. 2d sess.) * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.