cam-operated hammer
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Trip hammer — A trip hammer (alt. helve hammer) is a massive powered hammer, usually raised by a cam and then released to fall under the force of gravity. Historically, trip hammers were often powered by a water wheel, known to be used in China as long ago as… … Wikipedia
Agar gun — Coffee Mill gun Ager Coffee Mill gun in the hands of the 96th Pennsylvania Volunteer Regiment, Camp Northumberland, northern Virginia, February 1862. Type Heavy Machine Gun … Wikipedia
Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… … Wikipedia
Stamp mill — Section of Quincy Mine unit operations diagram showing Allis Steam Stamp Mill A stamp mill (or stamp battery or stamping mill) is a type of mill machine that crushes material by pounding rather than grinding, either for further processing or for… … Wikipedia
SIG Pro — Infobox Weapon name=SIG Pro caption=SIG Pro SP2009 origin= flagcountry|Germany flagcountry|Switzerland type=Semi automatic pistol is ranged=yes service= used by= wars= designer=Swiss Arms AG and Sauer Sohn design date=1998 manufacturer=Swiss Arms … Wikipedia
Turret lathe — Hartness 3x36 flat turret lathe with cross sliding head, equipped for bar work, 1910.[1] The turret lathe is a form of metalworking lathe that is used for repetitive production of duplicate parts, which by the nature of their cutting process are… … Wikipedia
ČZ 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=… … Wikipedia
Browning 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… … Wikipedia
Revolver — A revolver is a repeating firearm that consists of multiple chambers and at least one barrel for firing. As the user cocks the hammer, the cylinder revolves to align the next round with the barrel, which gives this type of firearm its name. In… … Wikipedia
Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… … Wikipedia
Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… … Wikipedia