Thomson's device - Instrument's card

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Thomson's device

Dating

15 May 1943

Device invented by the American inventor Elihu Thomson (1853-1937) for illustrating the Lenz$apos;s law in various ways.

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Thomson's device

Cataloghi	Nº	Voce
Inv. 2016	583	Thomson's device Provisional numbering!
Inv. 1870	984	Apparecchio di E. Thomson per esperienze sulle repulsioni elettrodinamiche con due anelli di rame, 1 di alluminio, 1 rocchetto con lampadina, 1 disco alluminio con piastrina rame

Section

Electrodynamics

Window

Non esposto

Conditions

Incomplete

Working NC

Intact

Diameter	16.0 cm (6.3 in)
Height	30.0 cm (11.8 in)

Materials

Sources

Desbeaux E., Fisica Moderna, Casa Editrice Sonzogno, Milano, 1892, pag. 440, fig. 362
Galileo Officine, Apparecchi per l'insegnamento della fisica, Officine Galileo, Firenze, 1929, pag. 228, fig. 5547
Magrini R., Apparecchi per l'insegnamento della fisica, Officine Galileo, Firenze, 1940, pag. 314, fig. N1198
Resti E., Catalogo generale di apparecchi per l'insegnamento della fisica, Ditta Emilio Resti di Franco Brambilla, Pubblicazi, Milano, 1930, pag. 96, fig. 463
Tarquini A., Apparecchi di fisica, Antonio Tarquini, Roma, 1928, pag. 141, fig. 30854

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.

In order to avoid that instruments' cards without the english description text of the device be directly selected, I added a special filter with which only the complete cards are shown in the menu. Anyhow all the partial english instruments' cards (with instrument's dating, dimensions, state of conservation...) can always be seen even if they haven't the english description text. To read this uncomplete cards is sufficient to click, for example, on an instrument's picture or on the word "View" of the table column called "Card" every time they appear in the other pages of this database.