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 414
more pronounced, on ac-count of the overhang of thedeclination axis, and its flexure,as well as the hindrance of the pier itself, preventingvery long exposures or periods of observation, exceptby reversal of the telescope to the opposite side ofthe pier. So there is a present tendency to revert… … DISCOVERY OF A SMALLPLANET {by photography. The planet isthe long object at the centre) 356 Stars and Telescopes itself is a double fork with the telescope swung betweenits prongs. Of this type is the old equatorial mount-ing at Greenwich devised by Sir George Airy. Thechief disadvantage is that…
Astronomy
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