Heathkit gc-1000 Most Accurate Clock

WORKING Heathkit Educational Electronic Analog Computer EC-1

Vintage Heathkit GC-1000 Most Accurate Clock w/ Antenna & Manual - AS IS *READ*

Heathkit Vacuum Tube Voltmeter Model IM-5228 with Mounting Bracket

Heathkit Bench Mount VTVM model IM-5228 ** Tech Special **

Heathkit GC-1000 Most Accurate Clock -=IT WORKS=-

HeathKit attenuator

Vintage Heathkit Micro Computer Learning System Model ET-3400. Display Turns On