The orginal scan for this article is located at: http://chroniclingamerica.loc.gov/lccn/sn85066387/1901-06-17/ed-1/seq-3.
San Francisco Call, June 17, 1901, page 3:
WAFTS PICTURES THROUGH SPACE.
Wireless Telegraphy Is Successful in New Direction.
Transmits Portraits Without Aid of Any Connecting Medium.
Special Dispatch to The Call.
NEW YORK, June 16.--You can have your picture taken now by wireless telegraphy.
You can have it wafted through space on the crest of an electrical wave without the intervention of even a wire as a medium, and faithfully reproduced in a few moments for publication in your favorite newspaper.
You can even have your physiogonomy hurled through an eight-inch brick wall with the speed of a series of lightning flashes and received in good condition for recognition on the far side of the wall without serious detriment to your cherished lineaments.
All this can be done, for the Herald has demonstrated it in a series of experiments, concluded yesterday, whereby it has successfully applied the principles of wireless telegraphy to accurate transmission from point to point of portraits, sketches, maps and other pictures.
Portraits were yesterday transmitted from a room situated in a distant part of the Herald building through space and thence through a brick wall to the receiving instrument situated in a room of the Herald building, which The Call occupies as its office. In the practical application of wireless telegraphy to the conveyance of intelligence the Herald and The Call have been pioneers in America ever since they utilized Signor Marconi's services in reporting the international yacht races two years ago. With the recent announcement of the Herald's purpose to revolutionize maritime news-gathering by the establishment of a wireless telegraph reporting station on board the Nantucket Shoals lightship, some forty miles out at sea, interest in the fascinating subject has been renewed and further research into its possibilities and limitations have been stimulated.
Marvels in Telegraphy.
It is little more than two years ago that the public read almost incredulously of the marvels achieved by the Herald in telegraphing pictures simultaneously to Philadelphia, Boston, Chicago and St. Louis. Portraits of Parkhurst and Croker flashed along the same wire a thousand miles or more in company without burning the wire or tearing off the insulators. A picture of the first gun fired at Manila was ticked across the country for simultaneous publication in four great cities and back to the Herald from those cities came pictures that were published promptly in New York.
These modern miracles were brought by the aid of an instrument much like a phonograph in size and appearance, which its inventor, E. A. Hummell of St. Paul, called a telediagraph. Its mechanism and method of operation were fully described at the time. Since then it has been practically utilized for transmitting to Boston illustrations of international yacht races and on many other occasions of general interest, but the possibility of utilizing it except in connection with a regular telegraphic wire circuit had not yet been demonstrated, and, indeed, was hardly conceived.
Then came the marvels of wireless telegraphy and the rapid strides made in its development, culminating in wireless reports of the international yacht races sent by Signor Marconi from a point at sea to the Herald, thence to The Call business office on Market street, with but one relay, viz., the relay in The Call's New York office in the Herald building.
Combination of Systems.
It was an ingenious combination of the possibilities of wireless telegraph with those of the Hummell telediagraph, or picture telegraphing machine, which resulted in the marvelous joint application of the two devices witnessed in the Herald building yesterday.
W. J. Clarke, general manager of the United States Electrical Supply Company, assisted by the Herald electricians and telegraphers, conducted the experiments to a successful issue. In addition to his exposition of the utility of wireless telegraphy in the transmission of pictures, Mr. Clarke also demonstrated the feasibility of employing wireless telegraphy in the starting and stopping of trolley cars, the lighting and extinguishing of incandescent lamps from a distance and in the discharge of artillery by firing guns from a point remote from their actual location.
A miniature model of a trolley car running on a circular track was controlled without connecting wire as completely as though the operator had a string tied to it, instead of merely standing fifteen feet away, as he did, and flashing a spark by means of pushing a key with his thumb. The circuit of the car was connected with a mechanical motor so that when the motor closed this circuit in response to electric waves generated from the transmitter, and the car started briskly around the track. When the motor opened the circuit in response to a second impulse of the transmitter the car promptly stopped.
Electric incandescent lamps were next lighted or extinguished at 100 by pressing the key of a portable transmitter.
A far more startling possibility of warfare of the future is suggested, and it may not be an idle dream. Mr. Clarke says the time will come when by pushing a key and releasing powerful electric waves from a wireless telegraph transmitter the magazine of an enemy's ship can be successfully exploded at sea.