For sale is reprint of EICO Model 232 249 Peak to peak Vacuum Tube VoltMeter Manual. Manual is 16 Pages long and includes part list and circuit diagram, Dated 1954.
Sections include: General Descriptions, Specifications, operation, application, operating instructions and maintenance. Manual includes diagram and part list. Most of 232 meters were sold as kits, I have construction manuals for both 232 and 249 meters in my store.