slow-motion screw
1Screw-cutting lathe — A screw cutting lathe is a machine (specifically, a lathe) capable of cutting very accurate screw threads via single point screw cutting (which is the process of precisely guiding the motion of the tool bit in relation to the rotating motion of… …
2endless screw — endless gearing, endless screw or endless worm noun An arrangement for producing slow motion in machinery, consisting of a screw whose thread gears into a wheel with skew teeth • • • Main Entry: ↑end …
3History of perpetual motion machines — The history of perpetual motion machines dates back to the Middle Ages. For millennia, it was not clear whether perpetual motion devices were possible or not, but the development of modern thermodynamics has indicated that they are impossible.… …
4Differential screw — differential dif fer*en tial, a. [Cf. F. diff[ e]rentiel.] 1. Relating to or indicating a difference; creating a difference; discriminating; special; as, differential characteristics; differential duties; a differential rate. [1913 Webster] For… …
5Differential motion — differential dif fer*en tial, a. [Cf. F. diff[ e]rentiel.] 1. Relating to or indicating a difference; creating a difference; discriminating; special; as, differential characteristics; differential duties; a differential rate. [1913 Webster] For… …
6differential screw — noun : a screw having two parts of slightly different pitch cut on the same barrel each working in a nut so that when the screw is turned the nuts have a very slow relative motion …
7ГОСТ 21830-76: Приборы геодезические. Термины и определения — Терминология ГОСТ 21830 76: Приборы геодезические. Термины и определения оригинал документа: 50. Алидада D. Alhidade F. Alidade Определения термина из разных документов: Алидада 80. Ампула уровня D. Röhre E. Level vial F. Fiole de niveau… …
Словарь-справочник терминов нормативно-технической документации
8наводящее устройство геодезического прибора — наводящее устройство Ндп. микрометренный винт Установочное приспособление для наведения зрительной трубы геодезического прибора на визирную цель. [ГОСТ 21830 76] Недопустимые, нерекомендуемые микрометренный винт Тематики приборы геодезические… …
9Наводящее устройство геодезического прибора — 101. Наводящее устройство геодезического прибора Наводящее устройство Ндп. Микрометренный винт D. Feintrieb Е. Slow motion screw. Fine screw F. Dispositif de rappel Установочное приспособление для наведения зрительной трубы геодезического прибора …
Словарь-справочник терминов нормативно-технической документации
10Meridian circle — Groombridge transit circle of 1806 The meridian circle, transit circle, or transit telescope is an instrument for observing the time of stars passing the meridian, at the same time measuring its angular distance from the zenith. The idea of… …
