- Geissler mercury pump
- насос Гейсслера
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
Geissler, Heinrich — ▪ German glassblower in full Johann Heinrich Wilhelm Geissler born May 26, 1815, Igelshieb, Thuringia, Saxe Meiningen [Germany] died January 24, 1879, Bonn, Prussia [Germany] German glassblower for whom the Geissler (mercury) pump and… … Universalium
geissler pump — noun Usage: usually capitalized G Etymology: after H. Geissler : an air pump based on the principle of the Torricellian vacuum and having its vacuum produced by the flow of mercury back and forth between a fixed and a vertically adjustable… … Useful english dictionary
pump — I (New American Roget s College Thesaurus) v. t. draw, suck [out]; interrogate, question, catechize; inflate, puff up. See inquiry, wind, extraction. II (Roget s IV) n. Types of pumps include: air, chain, force, Geissler, lift, mercury, sand,… … English dictionary for students
Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… … Wikipedia
Vacuum pump — Vacuum Vac u*um, n.; pl. E. {Vacuums}, L. {Vacua}. [L., fr. vacuus empty. See {Vacuous}.] 1. (Physics) A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the… … The Collaborative International Dictionary of English
electromagnetism — /i lek troh mag ni tiz euhm/, n. 1. the phenomena associated with electric and magnetic fields and their interactions with each other and with electric charges and currents. 2. Also, electromagnetics. the science that deals with these phenomena.… … Universalium
Vacuum — This article is about empty physical space or the absence of matter. For other uses, see Vacuum (disambiguation). Free space redirects here. For other uses, see Free space (disambiguation). Pump to demonstrate vacuum In everyday usage, vacuum is… … Wikipedia
Fluorescent lamp — A fluorescent lamp or fluorescent tube is a gas discharge lamp that uses electricity to excite mercury vapor. The excited mercury atoms produce short wave ultraviolet light that then causes a phosphor to fluoresce, producing visible light.Unlike… … Wikipedia
Neon sign — … Wikipedia
Crookes tube — A Crookes tube. The electrons travel in straight lines from the cathode on the left, shown by the shadow cast by the cross on the fluorescence on the righthand wall. The anode is at the bottom. A Crookes tube is an early experimental electrical… … Wikipedia
atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… … Universalium