Elements of Physics: Or Natural PhilosophyD. Appleton, 1887 - 873 páginas |
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Página 11
... glass , though they appear quite smooth , will not usually cohere . Yet glass polishers are familiar with the fact that sheets of flat and highly polished plate glass laid on each other often stick together so that they cannot be ...
... glass , though they appear quite smooth , will not usually cohere . Yet glass polishers are familiar with the fact that sheets of flat and highly polished plate glass laid on each other often stick together so that they cannot be ...
Página 12
... glass , laid on a flat piece of glass does not touch it , and cannot be made to touch it , even when compressed with a force of many pounds . If such be the case with a smooth hard substance like glass , which does not readily tarnish ...
... glass , laid on a flat piece of glass does not touch it , and cannot be made to touch it , even when compressed with a force of many pounds . If such be the case with a smooth hard substance like glass , which does not readily tarnish ...
Página 20
... Glass scratches pure iron - proving that it is harder than iron ; yet glass is the very type of fragility . Hard - tempered steel is very brittle ; those steel chisels and tools used for shaping stones and metals , require of course to ...
... Glass scratches pure iron - proving that it is harder than iron ; yet glass is the very type of fragility . Hard - tempered steel is very brittle ; those steel chisels and tools used for shaping stones and metals , require of course to ...
Página 21
... glass , which have been formed by melting the glass and allowing it to drop into cold water . Only the surface or skin of the glass in this case has had time to solidify ; the interior particles , not having settled in their natural ...
... glass , which have been formed by melting the glass and allowing it to drop into cold water . Only the surface or skin of the glass in this case has had time to solidify ; the interior particles , not having settled in their natural ...
Página 29
... glass less difficult to overcome than that of a broad sheet of liquid . In pouring clean mercury from a glass , a lip is unnecessary , as the liquid has practically no adhesion for the glass . 77. As in cohesion , so in adhesion , only ...
... glass less difficult to overcome than that of a broad sheet of liquid . In pouring clean mercury from a glass , a lip is unnecessary , as the liquid has practically no adhesion for the glass . 77. As in cohesion , so in adhesion , only ...
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Otras ediciones - Ver todas
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...