The microscope; an introduction to the microscopic methods and to histology (1911)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Publishing Company · leaf 29
conditions both a virtual and a real image may be seen withoutchanging the position of the magnifier or the object. Simple microscopes are very convenient when only a small ■magnification (Ch. IV) is desired, as for dissecting. Achromatictriplets are excellent and convenient for the pocket. For use…
Microscopy
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
