The Complete Works of Count Rumford, 4. kötetEstes and Lauriat, 1875 |
Részletek a könyvből
1 - 5 találat összesen 80 találatból.
28. oldal
... less enlightened by the light of the lamp B than the shadow corresponding to the lamp B was enlight- ened by the undiminished light of the lamp A. To determine precisely the exact amount of this diminution of the light of the lamp B ...
... less enlightened by the light of the lamp B than the shadow corresponding to the lamp B was enlight- ened by the undiminished light of the lamp A. To determine precisely the exact amount of this diminution of the light of the lamp B ...
29. oldal
... less than 10 times , and found the loss of light in its passage through this pane of glass , taking a mean of all the experiments , to be .1973 parts of the whole quantity that impinged against it ; the variations in the results of the ...
... less than 10 times , and found the loss of light in its passage through this pane of glass , taking a mean of all the experiments , to be .1973 parts of the whole quantity that impinged against it ; the variations in the results of the ...
35. oldal
... less than that of the square root of 2 to the square root of 1. For if the intensity of a light emitted by a luminous body , in a space void of all resistance , be diminished in the pro- portion of the squares of the distances , it must ...
... less than that of the square root of 2 to the square root of 1. For if the intensity of a light emitted by a luminous body , in a space void of all resistance , be diminished in the pro- portion of the squares of the distances , it must ...
36. oldal
... less one or more of its five equal wicks . These wicks , which were placed in a right line perpen- dicular to a line drawn from the middle wick to the middle of the field of the photometer , were about an inch in diameter each , and of ...
... less one or more of its five equal wicks . These wicks , which were placed in a right line perpen- dicular to a line drawn from the middle wick to the middle of the field of the photometer , were about an inch in diameter each , and of ...
78. oldal
... less than half an inch from the flame . The ribbon was dried , but its colour was not in the smallest degree changed . When it was held a few seconds within about of an inch of the flame , a tinge of a most beautiful crim- son colour ...
... less than half an inch from the flame . The ribbon was dried , but its colour was not in the smallest degree changed . When it was held a few seconds within about of an inch of the flame , a tinge of a most beautiful crim- son colour ...
Más kiadások - Összes megtekintése
Gyakori szavak és kifejezések
Academy's edition advantages alms amount Annalen der Physik appear Argand's lamp assistance bath Bavaria beggars Bibliothèque Britannique Science boiler bread burner burning carriage cheap Soup chimney circular reservoir coffee cold colour combustion commissary committee contrivance cost Count Rumford cylinder distance district dumplings edition of Rumford's effects Elector Palatine employed equal Essay establishment expense experiments flame florins fuel furnished give glass heat hoop House of Industry illuminator improvements inch in diameter inches Indian corn Indian pudding Institution kreutzers loths managers manner meal means ment Military Workhouse Munich necessary non-commissioned officers ounces paper is printed persons phial photometer placed poor potatoes pound prevent produced proposed pudding quantity of light quarter rape oil rays receive regiments render Science et Arts screen shadows soldiers soup strainer subscribers surface taken tallow tion tube warm wax candles weighed wheels wick
Népszerű szakaszok
717. oldal - British empire, a public institution for diffusing the knowledge and facilitating the general introduction of useful mechanical inventions and improvements, and for teaching, by courses of philosophical lectures and experiments, the application of science to the common purposes of life.
731. oldal - The Reports of the Society for Bettering the Condition and Increasing the Comforts of the Poor, 5 vols.
778. oldal - Institution for diffusing the Knowledge and facilitating the general Introduction of Useful Mechanical Inventions and Improvements, and for teaching, by courses of Philosophical Lectures and Experiments, the Application of Science to the Common Purposes of Life.
240. oldal - To make vicious and abandoned people happy, it has generally been supposed necessary, first, to make them virtuous. But why not reverse this order ? Why not make them first happy and then virtuous?
223. oldal - The number of itinerant beggars of both sexes and all ages, as well foreigners as natives, who strolled about the country in all directions, levying contributions upon the industrious inhabitants, stealing and robbing, and leading a life of indolence and the most shameless debauchery, was quite incredible...
744. oldal - MP The following resolutions were agreed to unanimously : — I. That, before any measures are taken for carrying the plan into execution, a petition be presented to His MAJESTY, praying that he would be graciously pleased to grant a CHARTER to the INSTITUTION. II. That an outline of the plan be laid before the Right Honourable MR.
443. oldal - The pudding is to be eaten with a knife and fork, beginning at the circumference of the slice, and approaching regularly towards the centre, each piece of pudding being taken up with the fork, and dipped into the butter, or dipped into it in part only, as is commonly the case, before it is carried to the mouth.
430. oldal - Indian meal is stirred into it, by little and little, with a wooden epoon with a long handle, while the water goes on to be heated and made to boil ; great care being taken to put in the meal by very...
iii. oldal - ... in any part of Europe during the preceding two years, on Heat or on Light ; the preference always being given to such discoveries as shall, in the opinion of the President and Council, tend most to promote the good of mankind.
287. oldal - I had seen for years as beggars in the streets ; young women, perhaps the unhappy victims of seduction, who, having lost their reputation, and being turned adrift in the world, without a friend and without a home, were reduced to the necessity of begging to sustain a miserable existence, now recognized me as their benefactor ; and, with tears dropping fast from their cheeks, continued their work in the most expressive silence. If they were asked what the matter was with them ? their answer was (