HIckok Roll Chart models 752-752A

This is the first Q-Meter sold by Boonton and dates to the middle of the 1930s. In good cosmetic condition, for parts or repair--not safe for Use.

An early (1940's) Ferris Instrument Laboratories Microvoltmeter. It is in good cosmetic condition, but untested and for parts or display.

Sony Cassette Reference Plate J-6320-880-A

For Servicing Sony D2 and other VTRs; allows extension of boards for easy access for component level troubleshooting. Very good condition. See list, sold as lot only.

A 1956 Hickok 539A tube tester, The case is in poor condition, Tube Roll chart is in very good condition. Please read full description below.

A Hickok Roll Chart for Tube Tester, with one tear that was repaired (taped) by a previous owner. Please see photos #4 & 5 for details.