13/65

"Necessity is the mother of invention," and safety is a second consideration, as a rotary antenna is assembled for shortwave transmissions. See also #599.
- Created on
- Monday 1 January 1951
- Posted on
- Thursday 14 December 2017
- Dimensions
- 525*781
- File
- F00327_AntennaLadder.jpg
- Filesize
- 220 KB