The Complete Works of Count Rumford, 4. kötetEstes and Lauriat, 1875 |
Részletek a könyvből
1 - 5 találat összesen 67 találatból.
8. oldal
... field of the instrument , two of which shadows are in contact precisely in the middle of that field ; and it is these two alone that are to be attended to . To prevent the attention being distracted by the presence of un- necessary ...
... field of the instrument , two of which shadows are in contact precisely in the middle of that field ; and it is these two alone that are to be attended to . To prevent the attention being distracted by the presence of un- necessary ...
9. oldal
... field , the lights are then in their proper di- rections . In my new - improved instrument ( for I have already caused four to be constructed ) , the white paper which forms the field is not fastened immediately upon the inside of the ...
... field , the lights are then in their proper di- rections . In my new - improved instrument ( for I have already caused four to be constructed ) , the white paper which forms the field is not fastened immediately upon the inside of the ...
10. oldal
... field , appear- ing under the form of two hemispheres , or rather half disks , touching each other in a vertical line . The object I had in view in reducing the field and the shadows to a circular form was this : I imagined that by ...
... field , appear- ing under the form of two hemispheres , or rather half disks , touching each other in a vertical line . The object I had in view in reducing the field and the shadows to a circular form was this : I imagined that by ...
11. oldal
... field is made use of . - In describing the cylinders by which the shadows are projected , I said they were fixed in the bottom of the box ; but as the diameters of the shadows of the cylinders vary in some small degree , in proportion ...
... field is made use of . - In describing the cylinders by which the shadows are projected , I said they were fixed in the bottom of the box ; but as the diameters of the shadows of the cylinders vary in some small degree , in proportion ...
12. oldal
... field of the photometer , when the screen with the circular opening is made use of . - As the lower ends of the cylinders , which pass through the holes made to receive them in the bottom of the box , are about of an inch less in ...
... field of the photometer , when the screen with the circular opening is made use of . - As the lower ends of the cylinders , which pass through the holes made to receive them in the bottom of the box , are about of an inch less in ...
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 (