... in which he linksup gravitation with magnetism... 
Victor Rousseau 「Astounding Stories of Super-Science January 1930」
...But the wall of movingshells, pushing against him, forced him on, downward, and yet apparentlyagainst the force of gravitation...
Victor Rousseau 「Astounding Stories of Super-Science January 1930」
...What maintains her in equilibrium is theethereal void; an immaterial force; gravitation...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...He saw thedifficulty of gravitation acting through the void space...
George Forbes 「History of Astronomy」
...Meanwhile gravitation in general terms was being discussed by Hooke, Wren,Halley, and many others...
George Forbes 「History of Astronomy」
...: The total attraction of gravitation on a planet arises, and iscomposed, out of the attraction on the separate parts...
George Forbes 「History of Astronomy」
...The Paris Academy, in 1770, offered their prize for an investigation to see ifthis could be explained by the theory of gravitation...
George Forbes 「History of Astronomy」
...In that case the light pressure will prevail over the attraction of gravitation, and propel the attenuated matter away from the sun in the teeth of its attraction...
Garrett Serviss 「Curiosities of the Sky」
...Perhaps the best assurance that we can find that the earth will escape the catastrophe that has overtaken its satellite is to be found in the relatively great force of its gravitation...
Garrett Serviss 「Curiosities of the Sky」
...It was in connection with this subject of gravitation that one of themost well-meaning of the paradoxists—the late Mr...
Richard A. Proctor 「Myths and Marvels of Astronomy」
...But the weight of the Sun is known as well as its size; this follows as aconsequence of gravitation...
E. Walter Maunder 「Are the Planets Inhabited?」
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