- Publication Title:
- Switchboard BD-14, June 30, 1941; [prepared under direction of chief signal officer].
- Display Title:
- Signal Corps. 11-331. Switchboard BD-14, June 30, 1941; [prepared under direction of chief signal officer].
- Series Title:
- Signal Corps
- Corporate Agency Authors:
- War Department
- Sort Author:
- War Department
- Date:
- [December 1942]
- Publish Date ISO Format:
- 1942-12-01T00:00:00Z
- Publication Start:
- 19421201
- Publication End:
- 19421231
- Corporate/Agency Author:
- War Department
- Publication month:
- 1
- Publication year:
- 1942
- Notes:
- [No longer restricted. Supersedes TR 1225-5, Feb. 12, 1930, including Changes 1, Jan. 2, 1931.]
- Notes:
- [No longer restricted. Supersedes TR 1225-5, Feb. 12, 1930, including Changes 1, Jan. 2, 1931.]
- Monthly Catalog date:
- December 1942
- Monthly Catalog issue number:
- 575 (supplement)
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1942-12-01T00:00:00Z
- Monthly Catalog entry number:
- 1915
- Record start page number:
- 139