avy has entered upon a well defined policy which, with the aid of the manufacturing resour- ces developed in the past few years, will enable this department of the United States government to keep pace in providing all necessary armament for any number of ships that our legislators may deem… … what is being done by the government in the manu- Fig. 5.-MACHINE FOB BIFLTNG LABGE GUNS. facture of heavy ordnance and an appreciation of the MANUFACTURE OF HEAVY GUNS FOR UNITED STATES NAVY. present state of the art will be best obtained by refer- ) 1891 SCIENTIFIC AMERICAN, INC.
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