Beale, Lionel S. (Lionel Smith), 1828-1906 · London, Harrison · leaf 270
e sameobject may be exposed for different periods of time, by which auniform intensity may be obtained in spite of the differenttransparency of different parts. For the low powers the plane mirror, but for the |-inchobjective and higher powers some form of condenser is used, as abulls-eye lens,… … Fij:. 216. Photograpliic microscope camera, useti by Mr. Delves mid arranc^ed l)y Mr. THMiIey.Fij;. 217. Stage, mirror, condenser, with adjustment to fit on the end ol the above camera,as recently improved by Mr. Higliley.Fig. 218. Another airangeraent with solar condenser. Mr. Highley, [To face…
Microscopy
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