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 432
HARRISON (1693-1776) Telescopes and Houses for Them 373 voyages, actually finding the longitude with a precisioneven greater than the margin stipulated, and in 1765he was paid the reward, — but only half of it, becausethe prize was divided between him and the brilliantTobias Mayer, of Gottingen,… … MAYER (1723-I762) be found from observations of the Moon as accuratelyas by the chronometric method. Mayer inventedalso the principle of the repeating circle, for eliminat-ing the effect of errors of division by repeating themeasure of an angle on different parts of the graduatedcircle. Harrisons…
Astronomy
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