Half-hours with the microscope; being a popular guide to the use of the microscope as a means of amusement and instruction (1863)
Lankester, Edwin, 1814-1874 · London, R. Hardwicke · leaf 33
A is the object-glass G. The use of this lens is to collect andbring to a point the rays of light that proceedfrom any object placed in its focus. At this pointan enlarged image of the object will be formed inthe focus of the eye-glass. We have only to lookthrough the latter at the picture thus… … Fig. 2. Eye-piece. 8 THE STRUCTURE OF much of the utility of a Microscope depends ongood object-glasses. Where they are faulty, theimage they form is also faulty; and when thesefaults in the first image are multiplied by thepower of the eye-piece, they become—like the faultsof our friends when…
Microscopy
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