top flange plate
21railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
22Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …
23Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… …
24Hexar RF — Infobox camera camera name = Konica Hexar RF type = 35 mm rangefinder camera lens mount = Konica KM mount (the same as or similar to the Leica M mount) focus = manual exposure = Aperture Priority AE or manual flash = hot shoe electronic flash… …
25English Wheel — The English Wheel (or Wheeling Machine British English usage), is typically a manually operated metalworking apparatus, (used in car restoration, NASCAR racing car construction, and aviation amongst other uses), that allows a craftsman to form… …
26Welding joints — are formed by welding two or more workpieces, made of metals or plastics, according to a particular geometry. The most common types are butt and lap joints; there are various lesser used welding joints including flange and corner joints. Contents …
27Nikon F-mount — The Nikon F of 1959 embodies the original F mount. Type Bayonet External diameter 44 mm Tabs 3 Flange 46.5 …
28Nottingham and District Tramways Company Limited — was a tramway operator from 1875 to 1897 based in Nottingham in the United Kingdom. Contents 1 Nottingham Tramways Company 1872 1875 2 Nottingham and District Tramways Company Limited 1875 1897 2.1 …
29Girder bridge — Two different girder bridges. The top is a plate girder bridge, while the bottom is a concrete girder bridge. Ancestor Beam bridge Related …
30Nut (hardware) — A nut threaded onto a bolt A nut is a type of hardware fastener with a threaded hole. Nuts are almost always used opposite a mating bolt to fasten a stack of parts together. The two partners are kept together by a combination of their threads… …
