Silbermann's heliostat - Instrument's card

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	Instrument's card

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Silbermann's heliostat

Dating

1844 - 1845

Maker

Jean-Baptiste Soleil (1798-1878)

Web page

Silbermann's heliostat

Cataloghi	Nº	Voce
Inv. 2016	733	Silbermann's heliostat Provisional numbering!
Inv. 1925a	133	Eliostata di Silbermann
Inv. 1870	190	Eliostato di Silbermann
Inv. 1838	588	Eliostato di Silbermann

Section

Optics

Window

Conditions

Complete

Not working

Intact

Large	24.0 cm (9.4 in)
Width	23.0 cm (9.1 in)
Height	36.0 cm (14.2 in)

Materials

brass, iron, glass, lacquer

Sources

Battelli A. - Cardani C., Trattato di fisica sperimentale ad uso delle università, Francesco Vallardi, Milano, 1913, Vol. 2, pag. 978, fig. 792
Gelcich G., Ottica, Hoepli, Milano, 1895, pag. 66, fig. 35
Perucca E., Fisica generale e sperimentale, Unione Tipografico-Editrice Torinese, Torino, 1937, Vol. 2, pag. 3, fig. 1

Loans

1) Il Foscarini nell'800; la vita scolastica del primo Liceo veneziano nel XIX secolo. Salone della Cassa di Risparmio di Venezia, dal 15/06/2004 al 09/07/2004, Venezia;

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.