Hallicrafters SX-115 SX115 Communications Receiver Manual Ham Radio




For sale is reprint of Hickok Cardmatic Tube Test Conditions tables. Manual is dated 1962 and is 122 pages long. Book covers thousands of tubes from 0A2 to Z729. This book is not a replacement for cardmatic test cards but shows in detail test settings for each tube. Some tubes have up to 4 cards for testing different sections.