FIFTY-NINTH CONGRESS. Sess. I. Ch. 3540. 1906. 463 For the construction of mining casemates, cable galleries, torpedo S“bm°’*¤€ mi¤i‘=¤· storehous ,s, cable tanks, and other structures necessary for the operation, preservation, and care of submarine mines and their accessories, one hundred and seventy-Eve thousand dollars, to be expended by the Engineer Department. It shall be the duty of the Secretary of War to apply the money C°¤¤‘¤¤*·¤- herein and hereafter appropriated for fortitications and other works of defense, in carrying on the various works, by contract or otherwise, as may be most economical and advantageous to the Government. Where said works are done by contract, such contract shall be made after sufficient public advertisement for proposals, in such manner and form as the Secretary of War shall prescribe; and such contracts shall be made with the lowest res onsible bidders, accompanied by such securities as the Secretary of War shall require, conitioned for the faithful prosecution and completion of the work according to such contract. ARMAMENT or ronrirrcxrions. A¤¤¤¤¤¤*- For the purchase, manufacture, and test of machine and automatic Mwhine z¤¤¤· gpns, including their carriages, sights, implements, equipments, and - t e machinery necessary for their manufacture at the arsenals, thirty- three thousand dollars. For the purchase, manufacture, and test of mountain, field, and s,Qg*:;f:gh°¤l°·md siege cannon, including their carriages, si hts, implements, equi — ` ments, and the machinery necessary for 51eir manufacture at tile arsenals, five hundred thousand dollars. For the purchase, manufacture, and test of ammunition for machine Amm“'“'·*°°· and automatic guns, and for mountain, field, and sie e cannon, includ-_ ing the necessary experiments in connection therewign, and the machinery necessary for its manufacture at the arsenals, one hundred and sixty thousand dollars. For the purchase, manufacture, and test of seacoast cannon for coast Seacoast unwadefense, including their carriages, sights, implements, equipments, and the machinery necessa for their manufacture at the arsenals, one hundred and seventy-four 'thousand dollars. For the purchase, manufacture, and test of ammunition for seacoast A¤¤·¤·¤¤i¤¤¤¤- cannon, including the necessary experiments in connection therewith, and the machinery necessary for its manufacture at the arsenals, three hundred and twenty-five thousand dollars. For the purchase, manufacture. and test of inspecting instruments for mégjgegyse ,;:¤3g;· the manufacture of cannon, carriages, and ammunition; range tinders sm. “K I ’ and other instruments for tire control in iield batteries, and the machinery necessary fOl' their manufacture at the arsenals, eighty-three thoum*d°:J=·r· I. ft dt tf -— .. I., Fort e urc asc, manu ac ure, an es o ammunition, su cai er A¤}¤¤¤¤¤i¤i<»¤· ew-· tubes, andlhther accessories for seacoast artillery practice, including {3`Qcii°S§Y)°s° °"m°” the machinery necessary for their manufacture at the arsenals, three hundred and fifty thousand dollars. For the alteration and maintenance of the mobile artillery, including _`_»tg{;rr;=i¤¤¤. ¤¤¤¤¤¤ the purchase and manufacture of machinery, tools, and materials " necessary for the work and the expenses of the mechanics engaged · thereon, fifty thousand dollars. ` For the purchase, manufacture, and test of ammunition, subcaliber ,0;}ggj,**;_*j;{g;;e_°w·· tubes, and other accessories for mountain, field, and siege artillery practice, including the machinery necessary for their manufacture at the arsenals, seventy-seven thousand dollars. _ For the alteration and maintenance of the seacoast artillery, includ- r@,§Q°e'r’;,°}°“’·°°°°°“‘ ing the purchase and manufacture of machineg, tools and materials necessary for the work and the expenses of e mechanics engaged
