The Telephone / An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action

THE TELEPHONE
With directions for making a Speaking Telephone Illustrated 50 cents
THE ART OF PROJECTING
A Manual of Experimentation in Physics, Chemistry, and Natural History, with the Porte Lumière and Magic Lantern New Edition Revised Illustrated $2.00
MATTER, ETHER, AND MOTION
The Factors and Relations of Physical Science Illustrated $1.75
—— Lee and Shepard Publishers Boston

AN ACCOUNT OF THE
AS INVOLVED IN ITS ACTION.
WITH DIRECTIONS FOR MAKING