Philco Junior 7019
1947
The Philco Junior 7019 with a 2-inch CRT is a rebadged Waterman S-10-A and produced by the Waterman Products Co in Philadephia. The oscilloscope was designed as a low-cost and portable oscilloscope for radio repairmen.

Schematic: watermans10a.pdf

 
 
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Jon Stanley