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 424
ion of a sec-ond when the star was crossinga wire can then be found bymeasurement, practically freefrom personal equation. The first astronomer who dis-cussed the inherent and unavoid-able deficiencies of instruments and their effects uponobservations was the versatile von Zach, in his… … THE ALMUCANTAR {Devised by Chandler) 372 Stars and Telescopes as used by Dr Chandler, many of the troublesomeerrors of the meridian circle are skilfully eluded. Theflotage principle is adopted for the supports of thetelescope ; and while the small errors of the meridiancircle must be found from…
Astronomy
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
