index-crank lever
11Headlamp — Headlight redirects here. For other uses, see Headlight (disambiguation). High Beams redirects here. For the urban legend also known by that name, see Killer in the backseat. A motor scooter s front with an impractical number and variety of… …
12Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …
13Rollei 35 — The S designates it has a Sonnar 2,8/40mm lens Ilford 35 mm film cartridge for scale.] The Rollei 35 is a 35mm miniature viewfinder camera built by Rollei. The original Rollei 35, when presented to the public at the photokina in 1966, was the… …
14Science and inventions of Leonardo da Vinci — Infobox Artist name = Leonardo da Vinci imagesize = 200px caption = The Vitruvian Man by Leonardo is possibly the best known drawing in the world. birthname = Leonardo di Ser Piero birthdate = birth date|1452|4|15|mf=y flagicon|ITA Anchiano,… …
15Gear inches — is a system that assigns numerical measurements to bicycle gear ratios, to indicate how low or high a gear is. With old fashioned penny farthing bicycles, the crankarms were directly attached to the large drive wheel. One turn of the pedals moved …
16hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
175"/38 caliber gun — Infobox Weapon name= 5 /38 Caliber Gun caption= Two Mk 30 single enclosed base ring mounts on a Fletcher class destroyer. origin= United States type= Deck Gun is artillery=yes service= 1934 used by= US Navy, US Coast Guard, Royal Navy, Danish… …
18Pentax cameras — This article discusses the cameras – mainly 35 mm SLRs – manufactured by Hoya Corporation s Pentax division (ペンタックス, Pentakkusu?) and its predecessors, Pentax Corporation (ペンタックス株式会社, Pentakkusu Kabushiki gaisha …
19Timeline of agriculture and food technology — Timeline of agriculture and food technologyNeolithic Revolution* 12,000 BC Neolithic Revolution, the first agricultural revolution, begins in the ancient Near East * 12,000 BC Natufians in the Levant begin harvesting wild grasses. * 9800 BC… …
20Flush toilet — A flush toilet or Water Closet (WC) is a toilet that disposes of human waste by using water to flush it through a drainpipe to another location. Flushing mechanisms are found more often on western toilets (used in the sitting position), but many… …
