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 401
graph of the Pleiades, already shown on page237. Meanwhile Dr Gill himself went zealously for-ward with the work of star charting by means of a6-inch Dallmeyer lens, the photographic work beingdone by Mr Woods at the charges of the GovernmentGrant Fund of the Royal Society. The plates have all been… … PLATE-MEASURING ENGINE{Designed and built by the Repsolds) same region, taking care to keep it perpendicular tothe line of vision through the center of the plate;then if it be removed from the eye to a distanceequal to the focal length of the lens, every star can be Telescopes and Houses for Them…
Astronomy
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