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 335
g of ascertaining,not the relative, but the absolute parallaxes of certain fixed 276 Stars and Telescopes In speaking of 61 Cygni, the expression l doubleir was used, and it is essential to distinguish between stars, among them Polaris, Capella, Arcturus, and Vega. Hismethod employed the meridian… … Hugo gylden (1841-1896) began to devote his attention to these critical researches, de-termining many stellar parallaxes with high precision, and hiswork was ably continued at Dunsink for several years by SirRobert Ball. Their measures were made with the microme-ter (page 343), and the mathematical…
Astronomy
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