"Firearms." . . . . . "Digest of patents relating to breech-loading and magazine small arms (except revolvers) granted in the United States from 1836 to 1873, inclusive. Classified and arranged according to the movement of the principal parts for opening and closing the breech"@en . "Digest of U.S. patents relating to breach-loading and magazine small arms, 1836-1873"@en . "Guidebooks"@en . . . . "Digest of patents relating to breech-loading and magazine small arms (except revolvers) granted in the United States from 1836 to 1873, inclusive"@en . . "Patents"@en . . . . . . . . . "Digest of patents relating to breech-loading and magazine small arms, (except revolvers), granted in the United States from 1836 to 1873, inclusive : classified and arranged according to the movement of the principal parts for opening and closing the breech"@en . . "Breach-loading and magazine small arms"@en . "Digest of patents relating to breech-loading and magazine small arms, (except revolver), granted in the United States from 1836 to 1873, inclusive"@en . . "Digest of patents relating to breech-loading and magazine small arms, (except revolvers) granted in the United States from 1836 to 1873 inclusive, classified and arranged according to the movement of the principal parts for opening and closing the breech"@en . . . . . . "Firearms Patents." . .