Elements of Physics: Or Natural PhilosophyD. Appleton, 1887 - 873 páginas |
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Página xiii
... Means of producing musical sounds 508 339 . The three elements of a musical sound 510 340 . 342 . Pitch of a tone : its cause : the syren , its construction and use The musical scale : octaves 512 513 343 . Numerical relations between ...
... Means of producing musical sounds 508 339 . The three elements of a musical sound 510 340 . 342 . Pitch of a tone : its cause : the syren , its construction and use The musical scale : octaves 512 513 343 . Numerical relations between ...
Página 2
... means of phosphorus placed on a solution of gold , this metal may be reduced to such a state of tenuity that its particles are sus- pended in water , and they give to the water by their transparency a blue , green , or ruby colour ...
... means of phosphorus placed on a solution of gold , this metal may be reduced to such a state of tenuity that its particles are sus- pended in water , and they give to the water by their transparency a blue , green , or ruby colour ...
Página 9
... means . Astronomical tests show that the amount of the earth's attraction on the moon is diminished according to the same law . The moon is about sixty times farther from the centre of the earth than we on its surface are ; thus the ...
... means . Astronomical tests show that the amount of the earth's attraction on the moon is diminished according to the same law . The moon is about sixty times farther from the centre of the earth than we on its surface are ; thus the ...
Página 13
... means , we merely increase the agitation amongst its molecules . These will therefore elbow each other more widely apart , and the result will be an increase in the apparent bulk of the body . Hence it is that , as a general rule ...
... means , we merely increase the agitation amongst its molecules . These will therefore elbow each other more widely apart , and the result will be an increase in the apparent bulk of the body . Hence it is that , as a general rule ...
Página 20
... means of diamond - pointed drills , driven at a very high speed by powerful engines . Crystals of quartz , and common flint , will also scratch glass ; and even a piece of hard steel , such as a corner of a newly - broken triangular ...
... means of diamond - pointed drills , driven at a very high speed by powerful engines . Crystals of quartz , and common flint , will also scratch glass ; and even a piece of hard steel , such as a corner of a newly - broken triangular ...
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Términos y frases comunes
action atmosphere atmospheric pressure axle balance ball balloon barometer beam blow body bottom bulk buoyancy called carbonic acid carriage cause centre of gravity centrifugal force chemical cohesion column common cork density diffusion direction distance earth effect elastic Energy equal fall feet float fluid friction gases glass gradually greater half heat heavy Hence horizontal hydrogen illustration inch inclined plane increase instance iron length less lever lift liquid machine mass matter mercury metal miles molecules momentum motion moving musical oxygen particles pass pendulum piston placed plane pound pound weight pressure principle produced proportion pulley quantity resistance rest rise rope round screw ship side simple machines solid sound space specific gravity stone string substance surface temperature tion tube turn uniform velocity velocity of sound vertical vessel vibrations waves weight wheel whole wind
Pasajes populares
Página 467 - ... will prevent the metal from running away, and in a few minutes it will cool and take the impression, without the slightest injury to the paper from which it was taken.
Página 799 - That the squares of the times of the revolutions of the planets are as the cubes of their mean distances from the sun.
Página 368 - When horses or mules march in company at night, those in front direct their ears forward...