SEVENTIETH CONGRESS . SESS. I. Cii. 232. 1928 . AIR CORPS AIR CORPS, ARMY For cr eatin g, ma intain ing, and op erati ng at esta blishe d fly ing schools and balloon schools courses of instruction for officers, students, and en listed m en, incl uding co st of eq uipment and supp lies nec essary for instruction, purchase of tools, equipment, materials, machines, textbooks, books of reference, scientific and professional papers, instru ments an d materi als for theoreti cal and practica l instru ction ; for maintenance, repair, storage, and operation of airships, war bal- loons, and other aerial machines, including instruments, materials, gas plants, hangars and repair shops, and appliances of every sort and description necessary for the operation, construction, or equipment of all types of aircraft, and all necessary spare parts and equip- men t co nnec ted ther ewit h and the es tabl ishm ent of l andi ng and take-off runways ; for purchase of supplies for securing, developing, printing, and reproducing photographs in connection with aerial photography ; improvement, equi pment , main tenan ce, a nd ope ratio n of plants for testing and experimental work, and procuring and intro- ducing water, electric light and power, gas and sewerage, including Air Corps. Designated purposes . Vol.44,p.780. Ai rcr aft o per ati on, construction, etc . Landing, etc ., run. ways. 337 lanterns, flags, and other necessary instruments ; wind vanes, barome- ters, anemometers, thermometers, and other meteorological instru- ments ; photographic and cinematographic work performed for the Ar my by the Signal Corps ; motor cycles, motor-driven and other vehicles for technical and official purposes in connection with the construction, operation, and maintenance of communication or sig- naling systems, and supplies for their operation and maintenance ; professional and scientific books of reference, pamphlets, periodicals, newspapers, and maps for use of the Signal Corps and in the office T eleph ones & of the Chief Signal Officer ; telephone apparatus, including rental and pa yment for commer cial, excha nge, messa ge, t runk-l ine, long- distance, and leased-line telephone service at or connecting any post, camp, cantonment, depot, arsenal, headquarters, hospital, aviation Local exception, station, or other office or station of the Army, excepting local tele- phone service for the various bureaus of the War Department in the Dist rict of Columbia , and to ll messa ges pert aining to the off ice of the Secretary of War ; electric time service ; the rental of com- mercial telegraph lines and equipment and their operation at or connecti ng any p ost, cam p, canto nment, d epot, ar senal, he adquarte rs, hospital, aviation station, or other office or station of the Army, including payment for official individual telegraph messages trans- Electrical installa- mitted over commercial lines ; electrical installations and mainte- tions, etc. nance th ereof at militar y posts, cantonm ents, ca mps, and stations of the Army, fire-control and direction apparatus and material for Civil ian employ ees. Field Artillery ; salaries of civilian employees, including those neces- sary as instructors at vocational schools ; supplies, general repairs, reserve supplies, and other expenses connected with the collecting and transmitting of information for the Army by telegraph or otherwise,; experimental investigation, research, purchase, and devel- Experimental re search, etc. opment or improvements in apparatus, and maintenance of signaling and accessories thereto, including patent rights and other rights thereto, including machines, instruments, and other equipment for laboratory and repair purposes ; lease, alteration, and repair of such plies . for sup buildings required for storing or guarding Signal Corps supplies, equipment, and personnel when not otherwise provided for, includ- ing the land th erefor, the intr oduction of wate r, elect ric ligh t and power, sewerage, grading, roads and walks, and other equipment required, $2,797,790 .
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