Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 329
the Astronomical Telescope ? Explain the course of the rays it it, 320 POPULAR PHYSICS. angle formed by the extreme rays vvliich enter the eye, isgreater than it would be in viewing the object without thetelescope, and consequently the object appears to be magni-fied. In this, as in all other… … Pig. 214. ffow is V>c eye-piece adjusted t OPTICAL KfSTKUSEENTS. 327 achromatic (Art. 315). The cje-glass is made quite convex, so asto magnify the imago formed by the object-glass. Fig. 214 represents an astronomical telescope mounted for use.It rests upon a cast-iron stand, with three feet,…
Physics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
