"Photographic plate" Quotes from Famous Books
 ... competent to examine into the evidence, to doubt the reality of Lord Rosse's discoveries. It happens, however, that they have been recently placed beyond all doubt by testimony which it is impossible to gainsay. A witness never influenced by imagination has now come forward, and the infallible photographic plate has justified Lord Rosse. Among the remarkable discoveries which Dr. Isaac Roberts has recently made in the application of his photographic apparatus to the heavens, there is none more striking than that ...
— Great Astronomers • R. S. Ball
... here how, in December 1895, Roentgen, having wrapped in black paper a Crookes tube in action, observed that a fluorescent platinocyanide of barium screen placed in the neighbourhood, had become visible in the dark, and that a photographic plate had received an impress. The rays which come from the tube, in conditions now well known, are not deviated by a magnet, and, as M. Curie and M. Sagnac have conclusively shown, they carry no electric charge. ...
— The New Physics and Its Evolution • Lucien Poincare
... theory, according to which the outburst is due to the clashing together of two stars, one or both of which might previously have been dark, like a planet. The stars which may be actually photographed probably exceed one hundred millions in number, and those which give too little light to affect the photographic plate may be vastly more numerous than those which do. Dark stars revolve around bright ones in an infinite variety of ways, and complex systems of bodies, the members of which powerfully attract each other, are the rule throughout the universe. Moreover, we can set no limit to the ...
— Side-lights on Astronomy and Kindred Fields of Popular Science • Simon Newcomb
... agreed with that, but did not think it necessary to say in what sense he agreed with it. Every day now Lucia was pouring floods of light on a quite new side of her character, which had been undeveloped, like the print from some photographic plate lying in the dark so long as she was undisputed mistress of Riseholme. But, so it struck him now, since the advent of Olga, she had taken up a critical ironical standpoint, which previously she had reserved for Londoners. At every turn she had to criticise and condemn where once ...
— Queen Lucia • E. F. Benson
... region are made from time to time, their comparison gives the means of ascertaining whether any star has moved during the interval. The amount and direction of this motion may be ascertained by a delicate measuring apparatus under which the photographic plate is placed. ...
— The Story of the Heavens • Robert Stawell Ball
... baffled. Try as he might, he could not get the image to show on the metal plate, nor could he get any results by using a regular photographic plate, and developing ...
— Tom Swift and his Photo Telephone • Victor Appleton |
