camera lucida as with the compound microscope. (Cut loaned by the Spen-cer Lens Co.) (II. /V] MAGNIFICATION A VD Mh ROME TRY 125 triangle, of which it forms a base. The distance of 250 millimethas been chosen on the supposition that it is the distance of andistinct vision for the normal human eye.… … Fig. i 14. Sectionalview of the Abbe Cam- , ra 1.itcida to show (hatin measuring the stand-ard distance of 230 mill-imeters, one must meas-ure along the axis fromthe point /, at the leftof the prism, to the mir-ror, and from the mir-ror to the drawing sur-face. For a full ex-planation of this…
Microscopy
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