Sep 17, 2012 · Reading Schematics (Circuit Diagrams) Part 1. Schematics (USA) or Circuit Diagrams (UK & Ireland) are 2 dimensional drawings of a physical Electronic circuit that can …

Our "Thank You" to the most active uploaders of schematics for antique radios and historic radios. These members upload schematics for antique radios and historic radios systematicaly.

Dec 1, 2007 · Robin Roeckers in another_thread asked about resources to help with reading schematics, identifying components under the chassis, etc. While this does not directly answer …

Tube Tester TV-7 U Equipment MILITARY U.S. different makers for same model, build 1953 ?, 24 pictures, 3 schematics, 2 tubes, United States of America

First read Reading Schematics and Circuits Part 1 Then read Codes and Prefixes ... Euro and USA symbols Appearance of Resistors Older style Body-tip-spot. Usually Carbon …

Direct Reading Wave-Meter Type 174 Equipment General Radio Company; Cambridge MA, build 1919 ?, 5 pictures, 5 schematics, United States of America , tubes

Ampex Ltd.; Reading from AG-20, Great Britain (UK), 5 pictures, 4 schematics, 1 semiconductors, Radio Catalog, tubes

Direct Reading Magnetic Compass, P8 6 Military Amalgamated Wireless Australasia Ltd. AWA; Sydney, build 1940–1945, 3 pictures, Australia, schematics

IDM Electronics Ltd.; Reading manufacturer in GB, radio technology from Great Britain , radios, tubes, pictures, schematics

Dec 30, 2007 · The connection is most likely used to "inject" a test frequency, for troubleshooting purposes. On some schematics, there may be a notation to ensure that the chassis has been …