thread galvanometer

См. также в других словарях:

• Galvanometer — D Arsonval/Weston galvanometer movement with the moving coil shown in red. A galvanometer is a type of ammeter: an instrument for detecting and measuring electric current. It is an analog electromechanical transducer that produces a rotary… …   Wikipedia

• Einthoven galvanometer — string galvanometer the original type of electrocardiograph, which consisted of a delicate thread of silvered quartz or platinum stretched between the poles of a strong magnet; the thread is displaced by an electric current flowing through it in… …   Medical dictionary

• History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… …   Wikipedia

• History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …   Wikipedia

• Faraday, Michael — born Sept. 22, 1791, Newington, Surrey, Eng. died Aug. 25, 1867, Hampton Court English physicist and chemist. Son of a blacksmith, he received only a basic education in a church Sunday school, but he went to work as an assistant to Humphry Davy,… …   Universalium

• Einthoven , Willem — (1860–1927) Dutch physiologist Einthoven, the son of a physician, was born at Semarang on the Indonesian island of Java and educated at the University of Utrecht in the Netherlands, where he gained his MD in 1885. In the following year he moved… …   Scientists

• Single-lens reflex camera — The single lens reflex (SLR) camera uses an automatic moving mirror system which permits the photographer to see exactly what will be captured by the film or digital imaging system, as opposed to non SLR cameras where the view through the… …   Wikipedia

• Transatlantic telegraph cable — The first transatlantic telegraph cable crossed the Atlantic Ocean from Foilhommerum, Valentia Island, in western Ireland to Heart s Content, in eastern Newfoundland. The transatlantic cable bridged North America and Europe, and expedited… …   Wikipedia

• Erdmagnetismus [1] — Erdmagnetismus. Die Erde hat außer der Schwerkraft noch eine zweite Richtkraft, die erdmagnetische Kraft. – Der Magnetismus wurde zuerst an den Eigenschaften des Magneteisensteins erkannt; der Magnetit wird bei längerem Liegen an der Luft… …   Lexikon der gesamten Technik

• Wilhelm Feußner — Friedrich Wilhelm Feussner (* 25. Februar 1843 in Hanau; † 5. September 1928 in Marburg) war ein deutscher Physiker.[1][2] Sein jüngerer Bruder war Karl Feußner. Er studierte in Heidelberg bei Gustav Robert Kirchhoff und in Marburg bei Christian… …   Deutsch Wikipedia