"The Telephone" by A. E. Dolbear. Published by Good Press. Good Press publishes a wide range of titles that encompasses every genre. From well-known classics & literary fiction and non-fiction to forgotten−or yet undiscovered gems−of world literature, we issue the books that need to be read. Each Good Press edition has been meticulously edited and formatted to boost readability for all e-readers and devices. Our goal is to produce eBooks that are user-friendly and accessible to everyone in a high-quality digital format.
Оглавление
A. E. Dolbear. The Telephone
The Telephone
Table of Contents
PREFACE
THE TELEPHONE
ELECTRICITY
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
Отрывок из книги
A. E. Dolbear
An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action