friction roller drive
51Mainspring — For the 2007 novel by Jay Lake, see Mainspring (novel). An uncoiled modern watch mainspring …
52Sailing — is the art of controlling a sailing vessel. By changing the rigging, rudder and dagger or centre board, a sailor manages the force of the wind on the sails in order to change the direction and speed of a boat. Mastery of the skill requires… …
53Spinning wheel — For the computer animation commonly found on the Internet, see Spinning wheel (animation). For the Blood, Sweat Tears song, see Spinning Wheel (song). Irish spinning wheel around 1900 Library of Congress collection A spinning wheel is a device… …
54Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
55Bicycle chain — This article is about the drive chain on a bicycle. For bicycle chain locks, see Bicycle lock. Bicycle chains Roller chain and …
56Racing video game — Racing game redirects here. For the type of board game, see race game …
57Drill — 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… …
58Mamod — Type Private Industry Toys Founded 1937 Founder(s) Geoffrey Malins …
59Bicycle trainer — A trainer or indoor trainer is a piece of equipment that makes it possible to ride a bicycle indoors without moving forward. They are primarily used to train for races.Fact|date=February 2008 What is itA trainer consists of a frame, a clamp to… …
60Timken 1111 — Infobox Locomotive name=Timken 1111 powertype=Steam gauge=RailGauge|ussg|lk=on whytetype=4 8 4 uicclass=2 D2 h2 builddate=1930 builder=American Locomotive Company (ALCO) serialnumber=68056 driversize=convert|73|in|m|3|abbr=on… …
