horizontal+section
21Angular sections — Section Sec tion, n. [L. sectio, fr. secare, sectum, to cut; akin to E. saw a cutting instrument: cf. F. section. See {Saw}, and cf. {Scion}, {Dissect}, {Insect}, {Secant}, {Segment}.] 1. The act of cutting, or separation by cutting; as, the… …
22Conic sections — Section Sec tion, n. [L. sectio, fr. secare, sectum, to cut; akin to E. saw a cutting instrument: cf. F. section. See {Saw}, and cf. {Scion}, {Dissect}, {Insect}, {Secant}, {Segment}.] 1. The act of cutting, or separation by cutting; as, the… …
23British hardened field defences of World War II — Hexagonal pillbox (type 22) British hardened field defences of World War II were small fortified structures constructed as a part of British anti invasion preparations. They were popularly known as pillboxes by reference to their shape.[1] Con …
24Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… …
25Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
26eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… …
27Difference between train and tram rails — A railroad or railway is a track where the vehicle travels over two parallel steel bars, called rails. The rails support and guide the wheels of the vehicles, which are traditionally either trains and trams. Modern light rail is a relatively new… …
28Novelty (locomotive) — Novelty Contemporary drawing of Novelty Power type Steam Builder John Ericsson and John Braithwaite Configuration …
29Lift hill — Goliath (2002), in Walibi Holland of the Netherlands, has a 150 foot (45.7 meter) lift hill. A lift hill, or chain hill, is often the initial upward sloping section of track on a typical roller coaster that initially transports the… …
30Floor — (fl[=o]r), n. [AS. fl[=o]r; akin to D. vloer, G. flur field, floor, entrance hall, Icel. fl[=o]r floor of a cow stall, cf. Ir. & Gael. lar floor, ground, earth, W. llawr, perh. akin to L. planus level. Cf. {Plain} smooth.] 1. The bottom or lower… …
