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

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

Heathkit RF Sweep / Marker Generator IG-57A Parts - Rocker Switch

Heathkit TV Post-Marker/Sweep Generator - IG-57A - For Parts UNTESTED

Heathkit RF Sweep / Marker Generator IG-57A Parts - Case Faceplate

Heathkit RF Sweep / Marker Generator IG-57A Parts - Trace Marker Potentiometer

Heathkit RF Sweep / Marker Generator IG-57A Parts - Power On/Off Switch

Heathkit RF Sweep / Marker Generator IG-57A Parts - Phase Adjust Potentiometer