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 Fort Monmouth officers handbook / [Signal Corps] manual Electrical instruments and telephones of the U.S. signal corps : revised 1910 field manual Organizations and operations in the corps, army, theater of operations and GHQ / Prepared under direction of the chief signal officer field manual Signal operations in the corps and army field manual Signal organizations and operations in the armored division and armored corps / prepared under the direction of the chief signal officer signal corps and air service : a study of their expansion in the United States 1917-1918 united states army in world war ii signal corps service of information United States army : a review of the nature, use, field of service and organization of the signal corps of the army, … Visual signaling Signal Corps United States Army Twee verlichtingstoestellen Barbier (voorgrond) en een idem Harlé (achtergrond) met ondersch. 400 en 1000 m. werkingssfeer - Signal Corp: Three large lights, men in ditch …
