Stars and telescopes; a hand-book of popular astronomy, founded on the 9th ed. of Lynn's Celestial motions (1899)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911. Celestial motions · Boston, Little, Brown and company · leaf 393
e Royal Obser-vatory at Greenwich, as well as numerous glasses ofsmaller aperture; and his mountings are especiallycommended for rigidity. A type of clock-motion 334 Stars and Telescopes with electric control devised by Grubb permits theclose following of a star in its diurnal motion, withthat… … THE IMPERIAL OBSERVATORY AT VIENNA(Dr Edmund Weiss, Director) in 1844, accident drew his attention to the construc-tion of a small reflector, the success of which led tohis making refractors. Two years later he was estab-lished in the business of telescope construction withhis two sons, Alvan…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
