Emergency war training for radio mechanics and radio operators.
Emergency war training for radio mechanics and radio operators.
- Washington, Govt. print. off., 1918.
- 75 p. diagrs. 23 cm.
Bound with Vocational Division bulletin no. 17-no. 27 subsequent to publication.
e 18001040
Telegraph, Wireless.
LB1045 / .A25 no. 16
Bound with Vocational Division bulletin no. 17-no. 27 subsequent to publication.
e 18001040
Telegraph, Wireless.
LB1045 / .A25 no. 16