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 66
ning, andhence the usefulness of a pendulum in regulatingclocks, and the usefulness of a clock is to tell peoplelike lecturers to stop talking after a reasonable time,before you are thoroughly sick of them and theirgravity and levity both. THE STARTING-POINT, OUR EARTH 45 Note on the Gravity… … Fig. 8. Notice that (Fig. 8) CS = CM + MS = KM + MSSK = KM - MS . •. CS . SK = KM2 - MS2 = KA2 - AS2 Since KA and AS are a string and a rod of constant 46 A VOYAGE IN SPACE length, the product CS . SK is therefore constant,and it is this property which is used in drawing thestraight line; for if K…
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
