Stars and telescopes; a hand-book of popular astronomy founded on the 9th ed. of Lynn's Celestial motions (1901)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911 · Boston, Little, Brown · leaf 389
ALVAN CLARK (1S04-1S87) 336 Stars and Telescopes Percival Lowell, now mounted in his private obser-vatory at Flagstaff, Arizona. This glass and the Yerkesobjective were the last work of Alvan Graham Clark,his constant co-worker being M* Carl Lundin, anable optician who has served a quarter-century… … GEORGE B. CLARK (1827-lSyl) The Lick 36-inch lenses are mounted in a cast-iron cell faced with inlaid silver where the glassesrest against it. The weight of the objective in itscell is about 700 pounds, and its cost was $53,000.An additional lens, or photographic corrector of t>Sinches aperture,…
Astronomy
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