The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 18
only one point. A B. Object outside the principalfocus. B A. Real, enlarged imageon the opposite side of the lens. Axis. Principal optic axis. 1,2,3.Rays after traversing the lens. Theyare converging, and consequently forma real image. The dotted line and theline (2) give the direction of the rays… … 14 15 A B. The object placed between the lens and its focus; A B virtual imageformed by tracing the rays backward. It appears on the same side of the lens asthe object, and is erect (\ 11). Axis. The principal optic axis of the lens. F. The principal focus. 1, 2, 3. Rays from the point B of the…
Microscopy
Internet Archive · Biodiversity Heritage Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-380-239.webp)
