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 Aantekeningen m.b.t. het handschrift Pyrotechnia / [waarschijnlijk van Jan Piet Puype] handvol pyrotechniek / Ron Knip prentice-hall international series in space technology Aerospace ordnance handbook / eds. F.B. Pollard and J.H. Arnold