Navy "C School" Teletype Maintenance - NAVTRA 41046, 41047, 41048

Trainee's Guide for Naval Schools - Teletype Maintenance Class C

NAVTRA 41046 - Volume 1 - Model 28 Teletype equipment - 

NAVTRA 41047 -Volume 2 - Questions and Practical Tasks - 

NAVTRA 41048 - Volume 3 - Illustrations -