Category: Engineering & Technology

Wireless Telegraphy and Telephony Simply Explained A Practical Treatise Embracing Complete and Detailed Explanations of the Theory and Practice of Modern Radio Apparatus and Its Present Day Applications, Together With a Chapter on the Possibilities of Its Future Development

Morgan, Alfred Powell, 1889-1972· 12 chapters· 40,497 words

Wireless telegraphy, that marvelous art which has made possible the instantaneous transmission of intelligence between widely distant parts having no apparent physical connection save that of the earth, air, and water, is one of those wonders of science which appeal to the ave...

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Chapters

1. CHAPTER VI. THE DIGNITY OF WIRELESS. ITS APPLICATIONS AND SERVICE.

2. CHAPTER X. REMARKS. THEORY. ACCOMPLISHMENTS. MAXWELL'S HERTZ'S

3. CHAPTER I. INTRODUCTORY: WIRELESS TRANSMISSION AND RECEPTION. THE ETHER.

Wireless telegraphy, that marvelous art which has made possible the instantaneous transmission of intelligence between widely distant parts having no apparent physical connectio...

4. CHAPTER II. THE MEANS FOR RADIATING AND INTERCEPTING ELECTRIC WAVES.

Every radiotelegraphic station may be summed up as comprising these elements: first of all, certain appliances collectively forming the transmitter and serving to create the wav...

5. CHAPTER III. THE TRANSMITTING APPARATUS.

The principal instruments composing the apparatus used for sending the wireless messages comprise an induction coil, or in its place a transformer, a key, a spark gap, a condens...

6. CHAPTER IV. THE RECEIVING APPARATUS.

The receiving instruments form the most interesting and ingenious part of a wireless station. They are the ears of the wireless station. They are wondrously sensitive but yet si...

7. CHAPTER V. TUNING AND COUPLING, DIRECTIVE WAVE TELEGRAPHY.

Tuning has been mentioned in several places but not explained in any greater measure than was necessary to render a conception which would enable the reader to follow the text i...

8. CHAPTER VI. THE DIGNITY OF WIRELESS. ITS APPLICATIONS AND SERVICE.

Wireless telegraphy and that precocious infant, wireless telephony, have outlived all the speculative and tentative achievements of their early days and have established themsel...

9. CHAPTER VII. THE EAR. HOW WE HEAR. SOUND AND SOUND WAVES. THE VOCAL

On either side of the head, lodged in a cavity which they do not completely fill, and situated in the midst of a dense and solid mass of bone, entering into the base of the skul...

10. CHAPTER VIII. THE TELEPHONE TRANSMITTER AND RECEIVER. THE PHOTO PHONE.

The telephone is an instrument for the transmission of sounds to a distance by the agency of electricity, wherein the speaker talks to an elastic plate of thin sheet-iron, which...

11. CHAPTER IX. THE WIRELESS TELEPHONE.

The applications of any of the wireless telephone systems thus far described are very limited, for at the best they only operate under the most favorable conditions, and then ov...

12. CHAPTER X. REMARKS. THEORY. ACCOMPLISHMENTS. MAXWELL'S HERTZ'S DISCOVERY.

The history of wireless telegraphy and telephony is a striking example of how it is possible for scientists laboring in the field of pure research and stimulated by accumulated...