I am looking for a schematic/manual for a "Vibratrol modulation monitor oscilloscope" Date on the printed circuit board is 1965. It came to me as "parts or repair". Some components (resistors) have been removed some others replaced. I need to verify values. I would rather not have to reverse engineer it. Looking at the "internal load" resistor wattage capability this was a CB product. BTW anyone else ever seen one?