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 387
secret,have been communicated to his successors, MM.Rosette & Feil of Paris, followed by M. Mantois,who, with Chance Brothers of Birmingham, havemade the disks for nearly all the great refractors ofthe present day. Guinand for many years before hisdeath was associated with Fraunhofer (page 17)… … dollond (1706-1761) Telescopes and Houses for Them 329 observations of double stars. So critical was Fraun-hofer in his optical work, and so consummate amechanician was he that a knowledge of the successof this great telescope finally penetrated to America,where at that time a permanent observatory…
Astronomy
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