"John herschel" Quotes from Famous Books
 ... of the solar spectrum are represented in the order in which they occur between A, and B, this exhibits the limits of the Newtonian spectrum, corresponding with Fig. 1. Sir John Herschel and Seebeck have shown that there exists, beyond the violet, a faint violet light, or rather a lavender to b, to which gradually becomes colorless; similarly, red light exists beyond the assigned limits of the red ray to a. The greatest ...
— American Handbook of the Daguerrotype • Samuel D. Humphrey
... were made in the northern hemisphere, and subsequently Sir John Herschel, using his father's telescope at the Cape of Good Hope, found an almost exactly similar increase of apparent star density for the southern hemisphere. According to his estimates, the total number of stars in both ...
— The New Heavens • George Ellery Hale
... not," {59a} says Sir John Herschel, "ask for demonstration when told that a gnat's wing, in its ordinary flight, beats many hundred times in a second? or that there exist animated and regularly organised beings many thousands of whose bodies laid close together would not extend to ...
— Unconscious Memory • Samuel Butler
... skill by both Arago and Ampere, and Poisson had published a theoretic memoir on the subject; but no cause could be assigned for so extraordinary an action. It had also been examined in this country by two celebrated men, Mr. Babbage and Sir John Herschel; but it still remained a mystery. Faraday always recommended the suspension of judgment in cases of doubt. "I have always admired," he says, "the prudence and philosophical reserve shown by M. Arago ...
— Little Masterpieces of Science: - Invention and Discovery • Various
... handling scientific subjects so as to make them clear to common apprehension. He announces, in his second page, that he has completed and will soon publish a Treatise of Popular Astronomy; a desideratum for France. Sir John Herschel has supplied it for English readers, in his Outlines. The present history and explanations of the Calendar may be recommended, as material, to your Professor Loomis. In the section concerning the period at ...
— The International Monthly, Volume 2, No. 4, March, 1851 • Various |
