Should be fun to play with, and see how accurate it still is in comparison to much newer equipment including a modern day VNA. Only cost me $20 including a full set of inductors.
Manufacturer: James Million MFG Company
Type: 90551
The on-line manual I found has a date in it, 3-25-65. Out of curiosity, does anyone have an idea of the range of dates these were actually made?
The DB