phase rotation indicator
61Spring Drive — The Spring Drive is a novel watch movement that was developed by Seiko Epson [ [http://www.epson.co.jp/e/company/milestones 35 spring drive.htm Milestone Seiko/Credor Spring Drive] Milestone Products, Seiko Epson] through collaboration with Seiko …
62Drehfunkfeuer — DVORTAC TGO (TANGO) Aichtal, BW, Deutschland Doppler VOR (D VOR) Bodenstation in Verbindung mi …
63Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …
64gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …
65Dow theory — on stock price movement is a form of technical analysis that includes some aspects of sector rotation. The theory was derived from 255 Wall Street Journal editorials written by Charles H. Dow (1851–1902), journalist, founder and first editor of… …
66Fourier transform — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms The Fourier transform is a mathematical operation that decomposes a function into its constituent… …
67Superior craton — in the west. The western margin extends from northern Minnesota through eastern Manitoba to northwestern Ontario.The formation of the Superior craton is best explained within the context of 2.72 2.68 Ga accretion of small continental plates and… …
68History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …
69Civilization — This article is about human society. For other uses, see Civilization (disambiguation). Contents 1 Definition 2 Characteristics 3 …
70Nikola Tesla Museum — Nik Museum Музеј Николе Тесле Muzej Nikole Tesle Established December 5, 1952 Location Krunska 51, Belgrade Type scienc …
