Elementos de fisica esperimental dedicados á la enseñanza de los alumnos del Instituto nacional i de la Academia militar: Sacados de la obra del Senõr AbendañoJ. Belin i companñia, 1852 - 206 pages |
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Page 22
... tube , the scale being placed near the object to be measured instead of on the tube , as in Ex- periment 12 . Although the measurement of the following quantities is directly dependent on the above , yet their importance justifies a ...
... tube , the scale being placed near the object to be measured instead of on the tube , as in Ex- periment 12 . Although the measurement of the following quantities is directly dependent on the above , yet their importance justifies a ...
Page 31
... tube . By its elasticity it will hold the paper strips firmly against the sides of the tube . If the experiment has been well performed , on replacing the eye - lens we see two straight lines at right angles , dividing the field of view ...
... tube . By its elasticity it will hold the paper strips firmly against the sides of the tube . If the experiment has been well performed , on replacing the eye - lens we see two straight lines at right angles , dividing the field of view ...
Page 36
... tube in which a short column of mercury shall balance a long column of acid . As the mercury collects it flows out of the end of the tube into a vessel placed to receive it . Instead of nitric acid a solution of nitrate of mercury may ...
... tube in which a short column of mercury shall balance a long column of acid . As the mercury collects it flows out of the end of the tube into a vessel placed to receive it . Instead of nitric acid a solution of nitrate of mercury may ...
Page 37
... tube and stopcock below , is more convenient for this purpose . When only a few drops of water are present they may be re- moved by blotting paper , or a camel's hair brush . Also by apply- ing heat ; but in this case a stain will be ...
... tube and stopcock below , is more convenient for this purpose . When only a few drops of water are present they may be re- moved by blotting paper , or a camel's hair brush . Also by apply- ing heat ; but in this case a stain will be ...
Page 38
... tube . Repeat this operation until the large tube is full of mercury . We now wish to know the volume of the small tube , as this is the unit in terms of which the larger one has been calibrated . The most accurate way to do this is to ...
... tube . Repeat this operation until the large tube is full of mercury . We now wish to know the volume of the small tube , as this is the unit in terms of which the larger one has been calibrated . The most accurate way to do this is to ...
Other editions - View all
Elementos de Fisica Esperimental: Dedicados Á la Enseñanza de los Alumnos ... Abendaño Abendaño No preview available - 2018 |
Elementos de Fisica Esperimental: Dedicados Á la Enseñanza de los Alumnos ... Abendaño Abendaño No preview available - 2018 |
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Popular passages
Page 150 - ... that the ratio of the sines of the angles of incidence and refraction is constant for refraction in the same medium, was effected by Snell and Descartes.
Page 104 - H and D to measure the pressure, and D is supported in such a way that it may be raised or lowered at will. Experiment. Draw out a piece of glass tubing to a fine point, break off a small piece and grind the end flat so that the orifice shall be circular and smooth. Connect it as at C, by a rubber tube, with the bell-glass A, and fill the latter with air by blowing into E.
Page ix - FRIEND AND PUPIL, THE AUTHOR. PREFACE. THE rapid spread of the Laboratory System of teaching Physics, both in this country and abroad, seems to render imperative the demand for a special text-book, to be used by the student. To meet this want the present work has been prepared, based on the experience gained in the Massachusetts Institute of Technology during the past four years. The preliminary chapter is devoted to general methods of investigation, and the more common applications of the mathematics...
Page 84 - P(l — cc), the moment of the deflecting force P. In this E is the modulus of elasticity, I the moment of inertia of the cross-section, y the deflection of any point at a distance x from the end, and I the length of the beam. Integrating, we obtain -^ — jj7j(lx — TJ-), in which -p- may be compared directly with the measurement.
Page 43 - Fig. 10, on a stand, and the vessel to be graduated A, which should be about six inches high, and an inch and a half in diameter. A paper scale divided into tenths of an inch should be attached to A with gum tragacanth, although shellac, or even mucilage, answers tolerably. A long string wound spirally around the vessel will keep the scale in plaoe until the gum is dry.
Page 150 - Verzweigungspuncte ist die Summe der Stromstärken gleich Null, wenn man den ankommenden Strömen das entgegengesetzte Vorzeichen gibt wie den abfliessendeu.
Page 69 - U, 12.0, 10.0. No single force will balance the beam. Equilibrium is obtained only by a second couple having the same moment, and turning in the opposite direction ; thus the moment being 12.0 X 5.0 = 60.0, the beam may be balanced by two forces of 10.0, each distant 6 inches from one another...
Page 40 - Stücke mit 50' 20' 10' 10" 5' 2' l' l" l'". Man führe eine Doppelwägung mit 50' einerseits und der Summe der übrigen Gewichte andererseits aus.
Page ii - BOUGHT WITH THE INCOME FROM THE BEQUEST OF PROF. JOHN FABBAB, LL.D., AND HIS WIDOW, ELIZA FABBAB, "BOOKS IN THE DEPARTMENT OF MATHEMATICS, ASTRONOMY, AND NATURAL PHILOSOPHY...