army regulations. military school Signal corps school / War Department army regulations. military school Signal corps school / War Department Visual signaling Signal Corps United States Army united states army in world war ii signal corps manual Regulations for United States military telegraph lines / U.S. Signal Corps Signal corps equipment manual : organized militia : 1915 Drill regulations for field companies of the signal corps (provisional) Radiotelegraphy U.S. signal corps 1914 field manual Organizations and operations in the cavalry division and cavalry corps / Prepared under direction of the chief signal officer Regulations for United States military telegraph lines, alaskan cables, and telegraph stations u.s. signal corps / prepared under the direction of brigadier general George P. … Regulations for United States military telegraph lines, alaskan cables, and telegraph stations u.s. signal corps / prepared under the direction of brigadier general George P. … manual Electrical instruments and telephones of the U.S. signal corps : revised 1910
