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 218
^ &) 24 (25) (26) 27 1894 February Fig. 57.—Composite drawing of a Sunspot from severalGreenwich photographs. of the large ones which can be seen with the nakedeye from a.d. 188 onwards, but we had no know-ledge of them at all till Galileos time. Undoubtedlythey are regions of fierce…
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
