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D'Arsonval galvanometer
Dating1 December 1920
MakerOfficine Galileo
It is a mobile circuit galvanometer, invented by J. A. D'Arsonval (1851-1940) in 1881, which as the following innovation with respect to the galvanometers in use between 1850 and 1880: the magnet is fixed while the coil, suspended by a thread, is mobile. The wire to which the coil is suspended presents a mirror for the readings (infact for small angles the rotation of the mirrow is proportional to the intensity of the current to be measured).
Web page D'Arsonval galvanometer
CataloghiNºVoce
Inv. 2016569D'Arsonval galvanometer          Provisional numbering!
Inv. 1870896Galvanometro D'arsonval 68821
SectionElectrodynamics
WindowS
Conditions
Complete
Not working
Damaged
Large17.0 cm (6.7 in)
Width17.0 cm (6.7 in)
Height30.0 cm (11.8 in)
Materials
Sources
Desbeaux E., Fisica Moderna, Casa Editrice Sonzogno, Milano, 1892, pag. 526, fig. 442
Galileo Officine, Apparecchi per l'insegnamento della fisica, Officine Galileo, Firenze, 1929, pag. 204, fig. 5488
Magrini R., Apparecchi per l'insegnamento della fisica, Officine Galileo, Firenze, 1940, pag. 275, fig. N1111
Martelli V., Apparecchi per l'insegnamento della fisica, Soc. Italiana Apparecchi scientifici, Milano, 1956, pag. 27, fig. 635
Premoli P., Nuovo dizionario illustrato di elettricit&agreve; e magnetismo, Soc. Editrice Sonzogno, Milano, 1904, Vol. 1, pag. 497, fig. 708
Resti E., Catalogo generale di apparecchi per l'insegnamento della fisica, Ditta Emilio Resti di Franco Brambilla, Pubblicazi, Milano, 1930, pag. 87, fig. 429
The additional indications which integrate the items of the conservation's state have the following meaning: (?) = maybe complete; M = maintenance; P = partial; R = restored; D = used for teaching; NC = not checked; X = impossible to verify.

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Punto Informatico, l'evoluzione della rete
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URL of the Virtual Museum: http://museo.liceofoscarini.it/virtuale/index.html
URL of "A. M. Traversi Physics Museum": http://museo.liceofoscarini.it/museoreale/index.html; e-mail: museo.atraversi@del@liceofoscarini.it [Please delete "del@"].
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Translation by: Pierandrea Malfi (pierandrea#.malfi@liceofoscarini.it)
Director of the Museum: prof. Ornella Fassina - Curator: ing. Pierandrea Malfi
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