Indirect ActionThe author of this story, being a chemist of high standing and an excellent mathematician, gives us a rare gem in this interplanetary tale. For one thing, he suggests an interesting use of the action of acceleration. In this instalment it is made to take the place of gravity when the interplanetary vehicle is out in open space. In order to get the gravity effect, a positive or negative acceleration could be given out.
This instalment retains its easy flow of language and continues to develop surprise episodes with a remarkable degree of realism.
The afternoon following the homecoming of the Skylark, Seaton and Dorothy returned from a long horseback ride in the park. After Seaton had mounted his motorcycle Dorothy turned toward a bench in the shade of an old elm to watch a
