Subject ASC0003k20

Journal of the Royal Microscopical Society.
1888:pt.2:no.4-6 (1888), Page 1031 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31221526

Keywords

wire cone spring camera focus micrometer microscope screw cord pulley microscopy photomicrographic camera Griffith focusing arrangement Jeserich

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