One of my second hand book trawls just threw up this:
RCA Cathode-Ray Oscilloscope Manual by Radio Corporation of America,
Illustrated Harrison, N.J.: RCA Pictorial Cover. 4to - over 93/4" - 12"
tall. Cathode-Ray Oscilloscope Type WO-33A Manual with Specifications
- Operation - Application and Maintenance information; Illustrated;
23 pages; light cover and edgewear, good condition.
Its in the States, priced at $10, if you are intereseted send me a
message OFF-LIST.
-- hbp