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Silvanus P. Thompson
Philipp Reis: Inventor of the Telephone
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B.—Reis’s Receivers.
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Table of Contents
CHAPTER I.
BIOGRAPHY OF THE INVENTOR.
CHAPTER II.
THE INVENTOR’S APPARATUS.
A.—Reis’s Transmitters.
First Form.
—The Model Ear.
Second Form.
—Tin Tube.
Third Form.
—The Collar-box.
Fourth Form.
—The Bored-Block.
Fifth Form.
—The Hollow Cube.
Sixth Form.
—The Wooden Cone.
Seventh Form.
—“Hochstift” Form.
Eighth Form.
—Lever Form.
Ninth Form.
—Transitional Form.
Tenth Form.
—The Square Box.
B.—Reis’s Receivers.
First Form.
—The Violin Receiver.
Second Form.
—The Cigar-box Receiver.
Third Form.
—The Electro-magnet Receiver.
Fourth Form.
—The Knitting-needle Receiver.
CHAPTER III.
THE CLAIM OF THE INVENTOR.
I.—Reis’s Telephone was expressly intended to transmit speech.
II.—Reis’s Telephone, in the hands of Reis and his contemporaries, did transmit speech.
III.—Reis’s Telephone will transmit speech.
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