Selenium photoelectric cell - Instrument's card

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Selenium photoelectric cell

Dating

30 June 1936

System capable of converting the luminous radiation into an electrical current that circulates in a circuit in which is present a device for both detecting and measuring it

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Selenium photoelectric cell

Cataloghi	Nº	Voce
Inv. 2016	576	Selenium photoelectric cell Provisional numbering!
Inv. 1870	942	Cella fotoelettrica al selenio

Section

Electrodynamics

Window

Non esposto

Conditions

Complete

Working NC

Intact

Large	7.0 cm (2.8 in)
Width	8.0 cm (3.1 in)
Height	1.0 cm (0.4 in)

Materials

Sources

Resti E., Catalogo generale di apparecchi per l'insegnamento della fisica, Ditta Emilio Resti di Franco Brambilla, Pubblicazi, Milano, 1930, pag. 81, fig. 400

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.