spite of the great magnification (§ 31). For work with high powers a stronger light than the petroleum lampis employed by those doing considerable photo-micrography. Verygood work may be done, however, with the petroleum lamp. It may be well to recall the statement made in the beginning, thatthe… … 204 PHOTO-MICROGRAPHY. [CH VHP L o v I* 3OB 0 ■r. cd E V fc£ O 2; 1^u a 0 >u C c 00 « t u d ■i ? a .a U to *-> u »-. n « * oc a c u 5 j= 5 g 1 O <U u 0 ••= X & * 2 2 td | E 0 ir.X g 1 3 3 * , -. u 2 = 2 « sX vW 0! u u u 0 U 8 18 00° Ti-to f = - DO id V09 c V oo en ^ *- ^.C od u - <…
Microscopy
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