SPECIFICATIONS AND DRAWINGS OF PATENTS FOR MACHINEGUNS ISSUED FROM THE UNITED STATES PATENT OFFICE PRIOR TO JANUARY 1,1882.
(Used) Washington DC: GPO, 1882. Hard Cover. over 2" thick,109 patents,Illus,title page repaired. More
(Used) Washington DC: GPO, 1882. Hard Cover. over 2" thick,109 patents,Illus,title page repaired. More