Siemens' telephones - Instrument's card

	Virtual Museum - Traversi Museum
	Instrument's card

Instrument Nº - Query criteria NOTICE

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Siemens' telephones

Dating

1891

Web page

Siemens' telephones

Cataloghi	Nº	Voce
Inv. 2016	551	Siemens' telephones Provisional numbering!
Inv. 1925a	351	Telefoni Siemens
Inv. 1870	599	Telefoni Siemens

Section

Electrodynamics

Window

Conditions

Complete

Working NC

Intact

Large	7.0 cm (2.8 in)
Width	4.0 cm (1.6 in)
Height	20.0 cm (7.9 in)

Materials

Sources

Colson R., Traité Élémentaire d'electricité, Gauthier-Villars, Paris, 1885, pag. 184, fig. 79
Jamin J., Piccolo trattato di fisica, B. Pellerano, Napoli, 1880, pag. 495, fig. 449
Joubert J., Traité Élémentaire d'electricité, G. Masson Éditeur, Paris, 1889, pag. 418, fig. 315
Privat Deschanel A. - Pichot, Trattato elementare di fisica, Fratelli Dumolard, Milano, 1871, pag. 644, fig. 622

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.