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 52
, it is the Earth THE STARTING-POINT, OUR EARTH rotating underneath; and in a minute or two weshall see the effect of the earth moving. [In Fig. 5 the pendulum bob was at first swingingfrom D to C ; the shadow being thrown on the screenfrom the point X was near the middle of the screenmost of the… … FIG. 5. FOUCAULTS PENDULUM Magnification of the Effect. You will see that as the pendulum comes up to thelamp the shadow will flash to the right, and it wouldgo on doing that always if the earth did not move;but as the earth moves it will presently go to the left.There will be a moment when it will…
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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