pitch-diameter error
61Dartball — A typical dartball diamond used by church leagues in northwest Ohio. Dartball is a game in which darts are thrown at a large wooden or homasote board that resembles a baseball field with colored areas which denote bases. Dartball uses baseball… …
62electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …
63Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
64Radio-controlled model — A radio controlled model (or RC model) is a model that is steerable with the use of radio control. All types of vehicles imaginable have had RC systems installed in them, including cars, boats, planes, and even helicopters and scale railway… …
65Mariner 4 — Operator NASA Mission type Flyby Flyby of Mars …
66Space Race — For a discussion of all spaceflight programs to date, see History of spaceflight. For a list of key events, see Timeline of space exploration. For other uses of the term, see Space Race (disambiguation). A replica of Sputnik 1, the world s… …
67Timeline of golf history (1945–1999) — See also Timeline of golf history 1353 1850, Timeline of golf history 1851 1945 and Timeline of golf 2000 present. 1945 491945 Byron Nelson wins 18 tournaments in a calendar year to set an all time PGA Tour record including a record 11 in a row… …
68List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
69particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …
70MUSIC — This article is arranged according to the following outline: introduction written sources of direct and circumstantial evidence the material relics and iconography notated sources oral tradition archives and important collections of jewish music… …
