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
A. E. Dolbear
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THE TELEPHONE:
PREFACE.
MAGNETS.
THE GALVANIC BATTERY.
OTHER MEANS FOR GENERATING ELECTRICITY.
THERMO-ELECTRICITY.
MAGNETO-ELECTRICITY.
MAGNETIC INDUCTION.
MAGNETO-ELECTRIC MACHINES.
SECONDARY CURRENTS.
WHAT IS ELECTRICITY?
THEORIES.
VELOCITY.
SOUND.
CONSTITUTION OF A SINGLE SOUND-WAVE.
PITCH.
LIMITS OF AUDIBILITY.
EFFECTS OF SOUND UPON OTHER BODIES.
SYMPATHETIC VIBRATIONS.
RESONANCE.
TONE COMPOSITION.
TONE COMPOSITION.
FORM OF A COMPOUND SOUND-WAVE IN AIR.
CORRELATION.
HELMHOLTZ' ELECTRIC INTERRUPTOR.
REISS' TELEPHONE.
GRAY'S TELEPHONES.
BELL'S TELEPHONE.
FIRST FORM OF SPEAKING-TELEPHONE.
THE AUTHOR'S TELEPHONE.
Transcriber's Notes: