an image of the flame as described in § 335. If theobject is small the achromatic condenser may be used (See§ 342) orone of the Steinheil magnifiers. When the light is satisfactory as seenthrough an ordinary ocular, remove the ocular. (A) Photographi?ig without an Ocular. -After the removal of… … CH. VIII.} PHO TO MICROGRAPHY. 199 necessary to focus down considerably to make the image clear.Lengthen or shorten the bellows to make the image of the desired size,then focus with the utmost care. In case the field is too muchrestricted on account of the tube of the microscope, remove the…
Microscopy
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