Image:Hydrometer6455.png

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[edit] Dettagli

Hydrometer from Practical Physics, publ. 1914 by Macmillan and Company

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current14:38, 29 June 2007130×322 (18 KB)Ernesttico (Hydrometer from Practical Physics, publ. 1914 by Macmillan and Company Source=[http://en.wikipedia.org/wiki/Image:Hydrometer6455.png] )
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