To the moon and back in ninety days : a thrilling narrative of blended science and adventure (1922)
Brown, John Young, 1858-1921, Lunar Publishing Company. pbl · Providence, Kentucky : Lunar Publishing Company · leaf 107
ter, which de-pends solely upon its mass; but this inwrought capacityof matter is not the only thing with which the law isconcerned. We know that the force of attraction, or the pull ofmatter, varies with the increase or the decrease of dis-tance and that this variation is in an inverse ratio tothe…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
