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 195
if we put A at thecentre (Fig. 49) and spin again, the little one fliesto its end b and pulls the big one. If we are toget a proper balance we must put the big one,not at the centre, but certainly nearer than the A Fig. 49. 174 A VOYAGE IN SPACE other; and if we try once or twice we can find a… … WEIGHTS (w. W.) EXTENDEDFig. 50- no means at rest, you see. So you must rememberthat our big Earth is itself waltzing a little with theMoon, though the Moon does most of the dancing. Our next spinning experiment shall be a roughimitation of the detaching of a satellite. It requiressome delicate…
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
