setting gauge
51Siphon — Not to be confused with Psiphon. This article is about the domestic device. For the animal organ, see siphon (disambiguation). Siphon principle …
52Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …
53Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …
54United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
55Caliper — For other uses, see Caliper (disambiguation). A vernier caliper …
56History of rail transport in Great Britain 1830 - 1922 — This article is part of a series on the History of rail transport in Great Britain The history of rail transport in Great Britain 1830 1922 covers the period between the opening of the Liverpool and Manchester Railway (L MR), and the Grouping,… …
57Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …
584-6-2 — Under the Whyte notation for the classification of steam locomotives, a 4 6 2 locomotive has four leading wheels (generally arranged in a leading truck), six coupled driving wheels and two trailing wheels (often but not always in a trailing… …
59Metal Gear Solid 3: Snake Eater — North Amer …
60Slickline — As well depths have increased over the years since the first measuring lines were brought into use, accompanied by increased working loads, it has become necessary to develop wireline having a high strength/weight ratio.There is a need for… …
