Subject ASC0003j0w

Journal of the Royal Microscopical Society.
v.3:pt.1:no.1-3 (1880), Page 526 (1880)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 9528963

Keywords

microscopy axis optic axis objective line of sight tolles opaque illuminator optic semicircle half light Opaque Illuminator

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