Patents for Inventions : Abridgments of specifications. : class 9, ammunition. torpedoes, explosives, and pyrotechnics. : Period-A.D. 1897-1900 Patents for Inventions : Abridgments of specifications. : class 9, ammunition. torpedoes, explosives, and pyrotechnics. : Period-A.D. 1889-1892 Patents for Inventions : Abridgments of specifications. : class 9, ammunition. torpedoes, explosives, and pyrotechnics. : Period-A.D. 1884-1888 Patents for Inventions : Abridgments of specifications. : class 9, ammunition. torpedoes, explosives, and pyrotechnics. : Period-A.D. 1867-1876 Patents for Inventions : Abridgments of specifications. : class 9, ammunition. torpedoes, explosives, and pyrotechnics. : Period-A.D. 1855-1866 Patents for inventions : Abridgments of specifications. Class 119, Small-arms. Period A.D. 1855-1930 Pieter Daniël van Essen (1870-1925) : een uitmuntend artillerist / Ron Knip 6-schots centraalvuurrevolver Colt Police Positive, ingevoerd als revolver M.31 Indische Politie, kaliber 9 x 20 R (.38 S&W), doorgebruikt door de TNI, met holster Pedersen geweer / [tekst: Bas Martens ; foto's: Springfield Armory National Historic Site/ National Park Service (SANHS/NPS), Rock Island Auctions, Amoskeag Auction Company, U.S. Patent … U.S. Lee Navy geweer / [tekst: Bas Martens ; foto's: Bas Martens, Wikimedia Commons, Bruce Canfield, Morphy Auctions en het U.S. Patent Office] Pistolver of revool? / [tekst: Bas Martens ; foto's: Espacenet, United States Patent Office, Littlegun.be, Rock Island Auction Company, Hermann Historica, bibliotheek Nationaal Militair Museum, … Magazijnen (3) / [tekst en foto's: Bas Martens, Espacenet en United States Patent Office]
