A voyage in space; a course of six lectures "adapted to a juvenile auditory" delivered at the Royal Institution at Xmas 1913 (1915)
Turner, Herbert Hall, 1861-1930 · London Society for Promoting Christian Knowledge · leaf 135
ave to put your eye to a small hole in theeyepiece. Fig. 31 is a picture of the great nebulain Andromeda, and the little hole in the coveringscreen enables us to see just about as much ofit as we should see at one time in a large telescope.If we move the telescope about, we can change H4 A VOYAGE… … Fig. 31.-—The Great Nebula in Andromeda.(See Notes to Illustrations.) had of examining a large object like this whenthey used their eyes and had not learnt to takephotographs : and you cannot wonder that theygot imperfect ideas of them. The eminent astrono-mer Trouvelot drew a picture of this same…
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
