BD-71
Images
Related files
- Switchboards
- BD-71
- BD-72
- BD-72-A
- BD-72-B
- Instructions for Switchboards BD-71 and BD-72[1]
- Instructions for
- Switchboards
- BD-71
- BD-72
- Preliminary Issue
- 1 September 1937
References
- ↑ Instructions for Switchboards BD-71 and BD-72,
- "US Army Technical Manual Collection,"
- from the CECOM Historical Office archive, Aberdeen Proving Ground, MD.
- CECOM Historical Office
- "US Army Technical Manual Collection,"