For sale is reprint of manual covering NTX-30 Transmitter and NSM Modulator. Manual is 11 pages long, Dated 1939.
Manual includes description, part list and Circuit Diagrams for both NTX-30 Transmitter and NSM Modulator. Schematic Diagrams for transmitter and modulator got enlarged to 11×17 foldouts. This manual is a must if you own this rare ham transmitter.