This Collins 75A-4 Frequency Drum Overlay, is for newer serial number units that cover the 15 meter band from 20.5-21.5 MHz (I also have this Overlay Available for early S/N 75A-4s that cover the 15 meter band from 20-8 to 21.8 MHz in another...

Vibroplex Standard Blue Racer Excellent Condition, Year 1957, 833 Broadway, NY S/N 202198 The Standard Blue Racer is a compact, high-speed semi-automatic "bug" on a 2.5" base — popular with CW operators for its smooth action and smaller footprint...

Collins Branded 807 Vacuum Tubes New Old Stock in Original Boxes The 807 is a classic beam power tetrode tube widely used in the final amplifier stage of many vintage amateur radio transmitters, including the Collins 32V series, as well as other...

Collins 32V-1, 32V-2 & 32V-3 Transmitters Terminal Cover for Rear Panel Reproduction   This cover is made with Aluminum and can be painted black if desired. This is a reproduction terminal cover (also called a terminal strip shield or rear panel...

Collins 32V-1, 32V-2 & 32V-3 Transmitters Original RF Ammeter & Multi Meter Meter Set Complete matching pair of original meters for the classic Collins 32V series 150-watt AM transmitters: Model 521 Multimeter (plate voltage / grid / etc.) Model...

Collins KW-1, 1000 Watt AM Transmitter in Excellent Cosmetic and Working Condition. NOTE: This is a pick up item only (NE Wisconsin)  Payment for this item must be made via Cash, Cashiers Check, or direct deposit (wire Transfer) This Collins KW-1...

This Collins 516F-2 Reproduction Winged Emblem Grill Backing for the 516F-2 Power Supply, will make your Power Supply look great! This aluminum plate is is made from the same type of material (and thickness) as the original Collins backing plates used on...

Air Force AN-45-434 Hammarlund SP-600 JX-17 (Plus) Technical Operation & Service Manual with Performance Modification TO 31R2-4-18-502 – W7FG Vintage Manuals Reprint This manual is in excellent condition All Pages and schematic diagrams are in...

US Navy Bureau of Ships Model LM-20 Crystal Calibrated Frequency Indicating Equipment – Preliminary Restricted Technical Manual This Manual comes with a satisfaction guarantee.  If you order multiple manuals, I will combine the shipping and...

US Navy Bureau of Ships Model LM-13 Crystal Calibrated Frequency Indicating Equipment – Preliminary Restricted Technical Manual This Manual comes with a satisfaction guarantee.  If you order multiple manuals, I will combine the shipping and...

Theory and Use of Electronic Test Equipment" – Department of the Army & Air Force Technical Manual TM 11-664 / TO 16-1-256 (February 1952) This Manual comes with a satisfaction guarantee.  If you order multiple manuals, I will combine the...

International Morse Code (Instructions) – Department of the Army Technical Manual TM 11-458 (Air Force TO 31-3-16), September 1957 This Manual comes with a satisfaction guarantee.  If you order multiple manuals, I will combine the shipping and...