Signal Corps Bulletin
starting 1 - April 1920, A bimonthly bulletin was published. however it is apparent from the index in the back of the 1932 edition that issues were delayed or missed. making extrapolation problamatic.
Issue #1, April 1920
Issue #2, June 1920
Issue #8, June 1921
Issue #20, June 1923
Issue #24, February 1924
Issue #64, January 1932 (note how the format is that of the manuals made for the special binder)
Information letter
Evidently prior to Dec. 1, 1941 these were published quarterly, (No. 22 being published July 15- 1939) this is what that math would look like-
- 1, 2, 3, =1934
- 4 ,5 ,6, 7 =1935
- 8, 9, 10, 11, =1936
- 12, 13, 14, 15, =1937
- 16, 17, 18, 19, =1938
- 20, 21, 22, 23, =1939
- 24, 25, 26, 27, =1940
- 28, 29, 30, 31, =1941
Signal Corps Information Letter
Issue #22, July 1939
Issue #23, October 1939
Signal Corps Technical Information Letter
Issue #1, December 1941
Issue #2, January 1942
Issue #3, February 1942
Issue #4, March 1942
Issue #5, April 1942
Issue #6, May 1942
Issue #7, June 1942
Issue #8, July 1942
Issue #9, August 1942
Issue #10, September 1942
Issue #11, October 1942
Issue #12, November 1942
Issue #13, December 1942
Issue #14, January 1943
Issue #15, February 1943
Issue #16, March 1943
Issue #17, April 1943
Issue #18, May 1943
Issue #19, June 1943
Issue #20, July 1943
Issue #21, August 1943
Issue #22, September 1943
Issue #23, October 1943
Issue #24, November 1943
Issue #25, December 1943
Issue #26, January 1944
Issue #27, February 1944
Issue #28, March 1944
Issue #29, April 1944
Issue #30, May 1944
Issue #31, June 1944
Issue #32, July 1944
Issue #33, August 1944
Issue #34, September 1944
Issue #35, October 1944
Issue #36, November 1944
Issue #37, December 1944
Issue #38, January 1945
Issue #39, February 1945
Issue #40, March 1945
Issue #41, April 1945
Issue #42, May 1945
Issue #43, June 1945
Issue #44, July 1945
Issue #45, August 1945
Issue #46, September 1945
Issue #47, October 1945
Issue #48, November 1945
Issue #49, December 1945