Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 126
instead of using a concave reflectoroutside the focus, a reflector with a convex surface wereplaced inside it, we should arrive at very nearly thesame result, provided we retain the hole in the largemirror. The converging rays from A b will fall on the ciur. VIII.] THE REFLECTOR. 103 convex surface… … Fir.. 56.—Eefleitiiif? Tt_-le.sc(ppe (Casscgraiii). where an image is formed ready to be viewed by theeyepiece e. It appears from this, that the convex mirroris in this case acting somewhat in the same manner asthe concave lens does in the Galilean telescope.
Astronomy · Telescopes
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