Vintage Original Heathkit Manual ID-4001 for Digital Weather Computer

HEATHKIT AD-1701 GRAPHIC OUTPUT INDICATOR....WORKS GREAT

Heathkit Manual ID-4001 for Digital Weather Computer Vintage Original

Heathkit Service Manuals, Assembly & Schematics, Custom Computer DVD !

Vintage Heathkit Digital Clock GC-1108 Tested Works w/ noise

Heathkit Manual H8 Digital Computer

VTG Heathkit Manual Operation Digital Weather Computer ID-4001 w/Schematics