Two anti-aircraft defence equipment technical manuals
- MS-2-511, Box 36, Folder 3
- File
- 1943
Part of Henry Davies Hicks fonds
File contains electrical and mechanical engineering regulation guides for R.D.F. equipment anti-aircraft no. 3 MK 1 and R.D.F. equipment anti-aircraft no. 4 MK 1 (transmitter), both published in October 1943.