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 398
RUTHERFURD (1816-1S92) Telescopes and Houses for Them 345 August, 18 71, the first photographs of the sun, show-ing the minute granulations of its surface. His picturesof sunspots have not yet been surpassed (page 52),and his lunar photographs compare favorably withrecent work at Paris and Mount… … THE 40-FOOT HORIZONTAL PHOTO-HELIOGRAPH{As mounted at the authors eclipse station in Japan, 1SS7) The transits of Venus, in 1874 and 18S2, offeredexceptional opportunities for the application of pho-tography, and a type of instrument known as a hori-zontal photo-heliograph, originated by the…
Astronomy
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Five minatures of President Lincoln : reproductions from the rare collection of original negatives] (1909)](https://img.insideoutlibrary.com/img/200/ia-fiveminaturesofp00eato-10-3.webp)