Anatomical manipulation, or, The methods of pursuing practical investigations in comparative anatomy and physiology : also an introduction to the use of the microscope, etc., and appendix (1844)
Tulk, Alfred, d. 1891, Henfrey, Arthur, 1819-1859 · London : Van Voorst · leaf 127
F, up through the aperture,forming an image of it at theangles formed by the rays passingupwards from A B, which are sup-posed to coincide with the placewhere the object is situated ; some-times the object is best seen whenthese angles are beyond it, andsometimes when below it, theiradjustment for… … MlCflOMETERS. 109 bination exactly equal to the object-glass in use shouldbe applied, but this would be very expensive, requiringa duplicate set of object glasses, which are the mostcostly parts of a microscope. 173. Stops, or diaphragms below the stage, areoften useful in cutting off extraneous…
Anatomy, Comparative · Dissection · Microscopy
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