centre pinion
1Rack and pinion — A rack and pinion is a pair of gears which convert rotational motion into linear motion. The circular pinion engages teeth on a flat bar the rack . Rotational motion applied to the pinion will cause the rack to move to the side, up to the limit… …
2clock — clock1 /klok/, n. 1. an instrument for measuring and recording time, esp. by mechanical means, usually with hands or changing numbers to indicate the hour and minute: not designed to be worn or carried about. 2. See time clock. 3. a meter or… …
3Snowdon Mountain Railway — Rheilffordd yr Wyddfa Half way up the Mountain Overview …
4Differential (mechanical device) — For other uses, see Differential. A cutaway view of an automotive final drive unit which contains the differential Input …
5Rack railway — track using the Lamella system rack …
6Limited slip differential — A limited slip differential (LSD) is a modified or derived type of differential gear arrangement that allows for some difference in rotational velocity of the output shafts, but does not allow the difference in speed to increase beyond a preset… …
7DIRAVI — is the name given by Citroën to its proprietary power steering system, first seen in 1970. DIRAVI is an acronym for Direction à rappel asservi literally meaning steering with controlled return more accurately described in English as power… …
8Snowdon — For other uses, see Snowdon (disambiguation). Snowdon (Yr Wyddfa) The Snowdon group seen from the east; left: Y Lliwedd; centre: Crib Goch; right: Yr Wyddfa and Garnedd Ugain …
9Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England …
10Four Quartets — 1st US edition (publ. Harcourt) Four Quartets is a set of four poems written by T. S. Eliot that were published individually over a six year period. The first poem, Burnt Norton , was written and published with a collection of his early works… …
