Gernsback Library #57 The V.T.V.M. How it works * How to use it by Rhys Samuel (1956) 228 pages in Adobe PDF format on CDROM This is a working man’s book because the vacuum-tube voltmeter is a working man’s instrument. Of the many types of…
Gernsback Library #57 The V.T.V.M. How it works * How to use it by Rhys Samuel (1956) 228 pages in Adobe PDF format on CDROM This is a working man’s book because the vacuum-tube voltmeter is a working man’s instrument. Of the many types of…