striking lever
51Typewriter — Mechanical desktop typewriters, such as this Underwood Five, were long time standards of government agencies, newsrooms, and offices …
52Plane (tool) — A plane is a tool for shaping wood. Planes are used to flatten, reduce the thickness of, and impart a smooth surface to a rough piece of lumber. Special types of planes are designed to cut joints or decorative mouldings.Hand planes are generally… …
53Inventions 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.… …
54Crossed Swords (video game) — Crossed Swords Developer(s) ADK Publisher(s) SNK …
55hammer — I. noun Etymology: Middle English hamer, from Old English hamor; akin to Old High German hamar hammer, and perhaps to Old Church Slavic kamen , kamy stone, Greek akmē point, edge more at edge Date: before 12th century 1. a. a hand tool consisting …
56Gong — Tamtam redirects here. For other uses, see Tamtam (disambiguation). This article is about the musical instrument. For other uses, see Gong (disambiguation). See also: slit gong A gong collection in a Gamelan ensemble of instrum …
57Djembe — A Lenke Wood Djembe from Conakry, Guinea, West Africa Other names djimbe, jenbe, jymbe, jembe, Classification African Percussion instrument, Hea …
58hammer — hammerable, adj. hammerer, n. hammerlike, adj. /ham euhr/, n. 1. a tool consisting of a solid head, usually of metal, set crosswise on a handle, used for beating metals, driving nails, etc. 2. any of various instruments or devices resembling this …
59science, history of — Introduction the history of science from its beginnings in prehistoric times to the 20th century. On the simplest level, science is knowledge of the world of nature. There are many regularities in nature that mankind has had to… …
60MythBusters (2010 season) — Country of origin Australia United States No. of episodes 25 (includes 4 specials) Broadcast Original channel …
