RC30 Book, RCA Tube Manual, GETUBE Book, Essential Characteristics,
Operating Instruction Manual for the Hickok Model 600 Conductance Tube Tester. Reprint of the original manual.
- Operating Instructions
- Socket Numbering
- Parts List
GETUBE Book, Essential Characteristics Book, GE Tubes Essential Characteristics, 473 pages
RC30 Book, RCA Tube Manual, MFR: RCA No longer available for Export, (NOS)
Made in the USA