Category:Mecanical shutter-MHS 2521

**mechanical shutter-MHS 2521**
	mechanical shutter by Thury & Amey, Geneva, with an "instantaneous" speed of 1/50th of a second
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Instance of	shutter;
Made from material	steel; brass;
Location	Musée d'histoire des sciences de la Ville de Genève, Villa Bartholoni, Petit-Saconnex, Geneva, Canton of Geneva, Switzerland
Collection	Musée d'histoire des sciences de la Ville de Genève;
Inventory number	MHS 2521 (Musée d'histoire des sciences de la Ville de Genève);
Inception	19th century (end of);
Authority file
	Q89274384;
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Media in category "Mecanical shutter-MHS 2521"

The following 4 files are in this category, out of 4 total.