Subject ASC0003j3b

Journal of the Royal Microscopical Society.
ser.2:v.1:pt.1:no.1-3 (1881), Page 315 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31227466

Keywords

microscope immersion objectives angle 170 degree air pencil radiate basalm cover glass fig 61 line drawing represents a pencil of 170 degrees radiating from an object in air Fig 62 if the object is mounted in balsam (environed) a larger part of the pencil is reflected back from the cover-glass meteor

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