The impoverished radio experimenter. 1, Vacuum tube substitutions, inexpensive tube power supply, grid-leak detectors, regenerative receiver & more!.
- Author
- Lindsay Publications
- Publisher
- Lindsay Publications
- Language
- English
- Year
- 2000
- Page
- 48
- ISBN
- 9781559182409,1559182407
- File Type
- pdf
- File Size
- 1.6 MiB
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