Primary microscopy and biology. A text book for the use of students in high schools, normal schools and academies (1890)
Schneider, Albert, 1863- [from old catalog] · Fairbury, Ill., The Blade printing office · leaf 15
of the other focus may be determined. (15) In fig. 2, let radius of mirror r; the distance of one focus A E = m, and the other focal distance a E = n. The angle A B a is bisected by C B. Therefore A B: a B :: A C : a C, but since B E is very small, A E : a E : :A C : a 0. Substituting, 10… … /c IMAGE BY A CONCAVE MIRROR. (16) In a concave mirror when the object is placed be-tween the center of curvature and the principal focus theimage is real, inverted and enlarged. It is real because theimage can be projected on a screen. It is inverted becausethe axes cross between the conjugate…
Microscopy · Biology
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