switch rail length
41Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
42M16 rifle — Rifle, 5.56 mm, M16 From top to bottom: M16A1, M16A2, M4A1, M16A4 Type Assault rifle Place  …
43Narrow gauge railway — Track gauge by size Broad gauge St …
44Streetcars in Washington, D.C. — This article refers to the streetcars that existed in Washington prior to 1962. For information on the proposed new streetcar lines, see DC Streetcar. Washington Streetcars 15th Street NW in the early 20th century Info …
45Rincon bleachers — The Rincon Big Four is a famous skate spot in Escondido, California, USA that has shown up numerous times in skateboard media outlets, such as videos and magazines. It is located at Rincon Middle School, which has been a popular landmark for… …
46AR-15 — The AR 15 comes in many sizes and has many options, depending on the manufacturer. The part shown bottom center is the lower receiver, which under US law is the component legally considered the firearm . Type …
47Passing loop — Trains in a passing loop A passing loop (also called a passing siding, crossing loop, crossing place or, colloquially, a hole) is a place on a single line railway or tramway, often located at a station, where trains or trams in opposing… …
48France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …
49photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
50North West railway line, Sydney — For the proposed rapid transit line, see North West Metro. North West Rail Link Mode Commuter rail proposed Owner RailCorp Connects Epping, Hills Centre, Rous …
