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About 2,072 papers for “Galvanometer”

Galvanometer

DMG-Lib.org

The galvanometer comprises a coil which forms a frame, connected to a needle which moves in front of a semi-circular dial with a central zero. Inside the frame there is hollow, soft metal cylinder. The mobile frame is placed between the ends of a horseshoe magnet. The complete device is fixed to a wooden base, and two terminals on the front enable an electric current to be connected.\nThe twisted wires maintaining the frame are damaged. Originally, the galvanometer was probably protected by a glass dome. When a current flows in the galvanometer, the frame turns in one direction or the other, depending on the direction of the current.

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Galvanometer

WirtualneMuzeaMalopolski · Zenodo (CERN European Organization for Nuclear Research) · 2020

The galvanometer was designed to measure weak direct currents. The measuring element was a movable magnetic needle suspended on a quartz thread between two fixed coils. In order to protect the measuring system against the Earth's magnetic field, armor in the form of a soft iron sphere was used. 1907, Germany Jagiellonian University Museum Collegium Maius Inventory number: 4360; 360/V https://muzea.malopolska.pl/en/objects-list/2772 Source: Objaverse 1.0 / Sketchfab

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Galvanometer

Elliott Brothers (London) · National Institute of Standards and Technology (NIST)

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Galvanometer

Cambridge Instrument Co. Ltd. · National Institute of Standards and Technology (NIST)

This galvanometer, an instrument used to measure electric current, was manufactured by the Cambridge Instrument Co. Ltd. around 1908. It is noteworthy for its very narrow coil and therefore short period. It was used in the Heat Division at the National Bureau of Standards.

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Galvanometer

Forest K. Harris, Ronald F. Dziuba, B P Kibble · AccessScience · 2015

AccessScience is an authoritative and dynamic online resource that contains incisively written, high-quality educational material covering all major scientific disciplines. An acclaimed gateway to scientific knowledge, AccessScience is continually expanding the ways it can demonstrate and explain core, trustworthy scientific information that inspires and guides users to deeper knowledge.

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Galvanometer

Sammlung wissenschaftlicher Instrumente und Lehrmittel, ETH-Bibliothek, ETH Zürich · E-Pics 6, Sternwarte · 2021

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Galvanometer

Sammlung wissenschaftlicher Instrumente und Lehrmittel, ETH-Bibliothek, ETH Zürich · E-Pics 6, Sternwarte · 2021

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Galvanometer

Sammlung wissenschaftlicher Instrumente und Lehrmittel, ETH-Bibliothek, ETH Zürich · E-Pics 6, Sternwarte · 2021

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Galvanometer

Leeds & Northrop Co. · National Institute of Standards and Technology (NIST) · 1914

This galvanometer, an instrument used to measure electric current, was manufactured by the Leeds and Northrup Co. probably around 1914. It is noteworthy because of the very narrow coil and wide magnet. It was used in the Heat Division of the National Bureau of Standards.

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Galvanometer

National Institute of Standards and Technology (NIST)

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Galvanometer

Moon, Charles · National Institute of Standards and Technology (NIST)

This moving-coil galvanometer was fabricated in 1927 by the National Bureau of Standards Instrument Shop for a total cost of $234.60 (96% of the charge was labor). This relatively pricey custom galvanometer was requested by the director of the Inductance and Capacitance Section, Harvey Curtis, for use in a Maxwell bridge—a circuit he and his coworker, Charles Moon, used for the “absolute” measurement of capacitance. (See also 1998.0484.001.)

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Galvanometer

Moon, Charles · National Institute of Standards and Technology (NIST)

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Galvanometer

Knowledge@UChicago (University of Chicago)

Galvanometer for measuring electric current. Most likely photographed at the Harbert House in Williams Bay, Wisconsin, which served as the home of Yerkes Observatory director George Ellery Hale and his wife Evelina Conklin Hale from 1896 to 1897.

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