THE LICK TELESCOPE.
This instrument will'shortly be supplemented l>y a" remarkable piece of mechanism. -'This is an eye piece wi.jeh has been f-oinpleteil al! Ilocljes.h-r, New York Kp othrj eye . pjeco of anything Hke equftltl{uion|\ons has ever been made. ffb« largest pow. \\\ use is not ovpr two iliclies m dipmeter, \y|ij(e the new piece ffjefjsures oveV three in'clies. The eye piece is constructed yn a, ptxlwl theory. There iirfj t Vvo; - s euffjes, . r si » »npl»M» ap«4't» ; T;he
six and a half inches m diameter. The other lens is the eye glass proper, It is composed of three lenses, a double concave, a double convex and meniscus, cemented together. The field lens is of brown glass. The meniscus or correcting len9 is of flint glass. The light from the heavenly bodies seen through the Lick telescope with this new eye piece, will be 2000 times as bright as that seen with the naked eye
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Bibliographic details
Ellesmere Guardian, Volume X, Issue 886, 11 February 1891, Page 3
Word Count
154THE LICK TELESCOPE. Ellesmere Guardian, Volume X, Issue 886, 11 February 1891, Page 3
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