Reflecting Telescope
| View Cart ⇗ | Info
“The reflecting telescope has an objective a concave mirror, tecnically called a speculum. The images formed by the speculum are brought to the eyepiece in several different ways. Sometimes the eyepiece consists of a series of convex lenses placed in a horizontal tube.” — Avery, 1895
Galleries
Telescopes and BinocularsSource
Elroy M. Avery School Physics (New York: Sheldon and Company, 1895) 408
Downloads
2400×737, 186.9 KiB
1024×314, 34.5 KiB
640×196, 18.5 KiB
320×98, 5.8 KiB