Heathkit TV Sweep Generator Model IG-57A - Untested

Vintage Heathkit TV Post Marker Sweep Generator IG-57A Vintage

Heathkit Manuals IG-57A TV Post-Marker/Sweep Generator

Vintage Heathkit TV Post Marker Sweep Generator IG-57A Vintage

Heathkit Assembly Manual IG-57A TV Post-Marker / Sweep Generator

HEATHKIT TV POST-MARKER/SWEEP GENERATOR MODEL - IG-57A

Heathkit IG-57 Post Marker/Sweep Generator

Vintage Heathkit IG-57A TV Post-Marker / Sweep Generator Powers On, Untested