upon a common support, whose function is to render tions taken up by the disk from the speaker’s voice crossing the beam once more parallel, or to concentrate it upon the the air. Prof. Bell hopes soon to settle this point, however, with NVature’s translation of the text. disk of ebonite placed… … tion can go on with such ex- turing before the Royal In- cessive rapidity that beams of stitution Prof. Bellannounced light falling on the surface at the possibility of hearing a intervals less than the hundredth of a second apart pro- shadow fall upon a piece of selenium included in a tele- and…
Internet Archive · Public domain (published before 1931). Free to use for anything.
