Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 25
ive young assistants, A, B, c, D, and E, fig. 2, placed in arow, one behind the other, each boys hands resting againstthe back of the boy in front of him. E is now foremost,and A finishes the row behind. I suddenly push A, Apushes B, and regains his upright position; B pushes C;C pushes D ; d… … stood in contact with a window, he would have broken theglass; had he been close to a drum-head, he would haveshaken the drum. We could thus transmit a push througha row of a hundred boys, each particular boy, however,only swaying to and fro. Thus, also, we send soundthrough the air, and shake the…
Sound
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Famous airmen and their equipment [electronic resource] : with some notes on first-aid in emergencies (1912)](https://img.insideoutlibrary.com/img/200/ia-b20457716-73-65.webp)
