The Complete Works of Count Rumford, 4. kötetEstes and Lauriat, 1875 |
Részletek a könyvből
1 - 5 találat összesen 86 találatból.
8. oldal
... prevent the attention being distracted by the presence of un- necessary objects , the two outside shadows are made to disappear , which is done by rendering the field of the instrument so narrow that they fall without it , upon a ...
... prevent the attention being distracted by the presence of un- necessary objects , the two outside shadows are made to disappear , which is done by rendering the field of the instrument so narrow that they fall without it , upon a ...
13. oldal
... prevent the inconveniencies which would otherwise arise from reflected light and from the pres- ence of too great a number of visible objects . In order to move the lights to and from the pho- tometer with greater ease and precision , I ...
... prevent the inconveniencies which would otherwise arise from reflected light and from the pres- ence of too great a number of visible objects . In order to move the lights to and from the pho- tometer with greater ease and precision , I ...
39. oldal
... prevent their flames uniting , and no farther . And I found , upon repeating the experiment with this lamp , that the result was much the same as with the candles ; the intensity of the illumination at the field of the photometer being ...
... prevent their flames uniting , and no farther . And I found , upon repeating the experiment with this lamp , that the result was much the same as with the candles ; the intensity of the illumination at the field of the photometer being ...
40. oldal
... prevent its seeing very distinctly the body of the candle and the wick , not the least appearance of flame was discern- ible , though the candle actually burned the whole time . very vigorously . DESCRIPTION OF THE PLATES . Plate I ...
... prevent its seeing very distinctly the body of the candle and the wick , not the least appearance of flame was discern- ible , though the candle actually burned the whole time . very vigorously . DESCRIPTION OF THE PLATES . Plate I ...
56. oldal
... prevent the shadows being coloured when daylight and candle- light were together the subjects of the experiment ; and in this I succeeded . I was even able to reverse the colours of the shadows , by causing the daylight to be of a ...
... prevent the shadows being coloured when daylight and candle- light were together the subjects of the experiment ; and in this I succeeded . I was even able to reverse the colours of the shadows , by causing the daylight to be of a ...
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 (