The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 198
Give the experiment with therendered luminous by electricity ? eggs. How may letters, figures, etc., be 192 ELECTRIC ILLUMINATION. … Experiment a. — Fig. 160 shows a glass tube spotted onthe inside in a spiral form. Pre- Fig. lei. Fig. 160. ■* ^ . . - sent the ball of this to the excited primeconductor, as in the last experiment,holding the bottom by the hand, or con-necting its brass cap with the earth by achain, and brilliant…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
