placed upon the stage b by the milled head c ofthe pinion, and the light is directed through it by themirror d, which can be turned ^bout in any directionand fits into the stand or block e. When the bar islowered and the magnifiers taken out of the arm, theinstrument, which is now only two metres… … and do not occupy any extra space. If it were desirable,additional magnifiers might be added for viewing test-objects ; a finer adjustment might also be applied, andDr. Gorings illuminator or stops. A useful appendageis a large condenser placed before the reflector. Since the above description was…
Microscopy
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-457-286.webp)
