Photographic

Examples

• To obtain a true photograph, the negative is placed on a piece of sensitive photographic paper, or paper coated with a silver salt in the same manner as the plate and films. Bertha M. Clark. General Science.
• As allied branches of the photographic art, photo-engraving, photo-lithographing, and half-tone engraving are important developments of the Nineteenth Century. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• There was also Mr. Isaacs, who did a great deal of photographic work, and to whom we must be thankful for the pictures of Menlo Park in connection with Edison's work. Frank Lewis Dyer. Edison, His Life and Inventions.
• An image of a coin was obtained by placing it between uranic salts and a photographic plate. Walter Libby. An Introduction to the History of Science.
• The blood is largely used for making albumen for photographic uses, as well as in sugar refining, for meat extracts, and for fertilizers. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• To lighten the camera burden, and to simplify the various photographic processes, were the problems that confronted the American inventor. Various. The Wonder Book of Knowledge.
• One purpose to which it was suggested this coloured photographic process is applicable, is printing on woven fabrics, the action of light serving as a mordant to fix the colours. Frederick C. Bakewell. Great Facts.
• In 1864 magnesium light was employed by Mr. Brothers, of Manchester, for photographic purposes, and about 1876-8 Van der Weyde made use of the electric light for the same purpose. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• Their lenses for telescopes and microscopes and photographic cameras, and glass and prisms, and for all chemical and other scientific work, have a worldwide reputation. William Henry Doolittle. Inventions in the Century.
• Then apply water, and with a soft piece of gum rubber rub off the paper so as to leave the photographic image on the varnished glass. William K. David. Secrets of Wise Men, Chemists and Great Physicians.
• On the other hand, the light portion of the negative will allow free and easy passage of the light rays, which will fall upon the photographic paper and will change much more of the silver. Bertha M. Clark. General Science.
• About 1888 a new thing in the photographic world made its appearance. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• One can watch the dancing little flames of Koenig, and see a voice expressed in tongues of fire; but the record can only be photographic. Frank Lewis Dyer. Edison, His Life and Inventions.
• The ordinary camera of the photographic artist is too familiar an object to require special illustration. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• Professors Draper and Morse make first Photographic Portraits. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• The photographic camera, introduced by Daguerre in 1839, adds to the camera obscura some means for adjusting the distance between the lens and the screen on which the image falls. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• Claudet endeavoured to establish some rules for the angle at which photographic pictures must be taken, in order to produce the best effect of relief and distance without exaggeration. Frederick C. Bakewell. Great Facts.
• Therefore we make the same effort, and have the same sensation in regarding the combined photographic pictures, as when we look at the objects represented. Frederick C. Bakewell. Great Facts.
• These were the first pictures made by means of a lens on a photographic material. Various. The Wonder Book of Knowledge.
• There was something about the bulk and weight of the old-time photographic outfit that failed to beget general enthusiasm. Various. The Wonder Book of Knowledge.
• First Photographic Experiments by Wedgewood and Davy. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• Melhuish invents the Photographic Roll Films. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• The progress of the photographic art may be approximately noted as follows: _Process. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• Of course there were amateurs even in those early photographic days, but they were few and far between. Various. The Wonder Book of Knowledge.

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