notch velocity
51Antikythera mechanism — The Antikythera mechanism (main fragment) The Antikythera mechanism (  / …
52Browning Hi-Power — Infobox Weapon|is ranged=yes caption= Belgian Army Browning name=Browning Hi Power type=Semi automatic pistol origin=flagcountry|Belgium flagcountry|United States era= 20th century design date=1921–1935 designer=John Browning, Dieudonne Saive… …
53StG44 — Infobox Weapon name=Sturmgewehr 44 caption=The StG44. origin=flag|Nazi Germany type=Assault rifle is ranged=yes service=July 1944–May 1945 (Nazi Germany) used by= wars=World War II, appeared in other conflicts around the world designer= design… …
54Karabiner 98k — Karabiner 98 Kurz Karabiner 98 kurz Type Bolt action rifle Place of origin …
55Mauser C96 — Red 9 Mauser C96 (9 mm Parabellum) with stock Type Semi automatic pistol, Machine Pistol (M712 Schnellfeuer) …
56ČZ vz. 52 — Infobox Weapon name=Vz. 52 caption=Vz. 52 pistol origin=flag|Czechoslovakia type=Semi automatic pistol is ranged=yes service=1952 1982 (Czechoslovakia) used by= wars= designer=Jan Kratochvíl, Jaroslav Kratochvíl design date=1952 manufacturer=… …
57Belt (mechanical) — For other belts, see Belt (disambiguation). A pair of vee belts …
58Pinewood derby — The pinewood derby is a racing event for Cub Scouts in the Boy Scouts of America. Cub Scouts, with the help of parents, build their own cars from wood, usually from kits containing a block of pine, plastic wheels and metal axles. With the… …
59Microstrip — Cross section of microstrip geometry. Conductor (A) is separated from ground plane (D) by dielectric substrate (C). Upper dielectric (B) is typically air. Microstrip is a type of electrical transmission line which can be fabricated using printed… …
60QBZ-95 — Qing Buqiang Zidong QBZ 95 Light Rifle Family QBZ 95 (prototype version, no longer produced now) Type Assault rifle Place of& …
