Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 248
ject may not bemagnified by diminishing its distance from the opticalcentre of the eye. But when an object passes within thelimit of distinct vision, what is gained in its apparent in-crease of size, is lost in the confusion with which it is seen.If, however, while the object is too near to be… … Its operationillustrated; be continued. Such a medium is called a single micros- single t -I-, • ^ i* i i ••-!/»! microscope cope, and usually consists ot a lens, whose principal localdistance is negative and numerically less than the limit ofdistinct vision. To illustrate Fis-44- the operation…
Mechanics · Acoustics · Optics
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