Waterman "Pocket-Scope" S-10-A

The Waterman Pocket-Scope S-10-A is a small 2-inch CRT oscilloscope designed for low-cost and portable use in the field for radio and TV repairmen. The design is fairly simple with 3 tubes and a 2AP1 CRT. A single 6J6 tube provides horizontal sweep at speeds up to 50KHz. It cost around $50 at the time.