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Start Over Author Signal Office Sudoc Stem W 42.4

1. Circular 1. 1-14. Inspection; Aug. 22, 1940.

Corporate/Agency Authors:: Signal Office and War Department
Publisher:: Signal Office
Date:: [1940.]
SuDoc number:: W 42.4:1-14/4

2. Circular 5. 5-6. Central office installation: May 20, 1940.

Corporate/Agency Authors:: Signal Office and War Department
Publisher:: Signal Office
Date:: [1940.]
SuDoc number:: W 42.4:5-6/2

3. Circular 5 and 6. 5-16. Army submarine communication cables data and reports; Sept. 15, 1938.

Corporate/Agency Authors:: Signal Office and War Department
Publisher:: Signal Office
Date:: [1939.]
SuDoc number:: W 42.4:5-16/2

4. Circular 5 and 6. 5-4. Cable construction; Oct. 20, 1938.

Corporate/Agency Authors:: Signal Office and War Department
Publisher:: Signal Office
Date:: [1939.]
SuDoc number:: W 42.4:5-4/2

5. Circular 5 and 6. 6-2. Army Amateur Radio System: Calls and frequencies; Jan. 3, 1939.

Corporate/Agency Authors:: Signal Office and War Department
Publisher:: Signal Office
Date:: [1939.]
SuDoc number:: W 42.4:6-2

6. Circular 5 and 6. 6-5. Army Amateur Radio System: Cryptography; Jan. 3, 1939.

Corporate/Agency Authors:: Signal Office and War Department
Publisher:: Signal Office
Date:: [1939.]
SuDoc number:: W 42.4:6-5

7. Circular 5. 5-8. Inside plant maintenance; Oct. 20, 1938.

Corporate/Agency Authors:: Signal Office and War Department
Publisher:: Signal Office
Date:: [1939.]
SuDoc number:: W 42.4:5-8/2

8. Circular 1 [1936]. 1-3. Classification of appropriations: Mar. 25, 1938.

Corporate/Agency Authors:: Signal Office and War Department
Publisher:: Signal Office
Date:: [1938.]
SuDoc number:: W 42.4:1-3/6

9. Circular 1 [1936]. 1-8. Signal Corps aircraft radio equipment; June 1, 1938.

Corporate/Agency Authors:: Signal Office and War Department
Publisher:: Signal Office
Date:: [1938.]
SuDoc number:: W 42.4:1-8/4

10. Circular 5 [1933.]. 5-10. Central office operating practices; Nov. 17, 1937.

Corporate/Agency Authors:: Signal Office and War Department
Publisher:: Signal Office
Date:: [1938.]
SuDoc number:: W 42.4:5-10/2

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