A Plain Elementary and Practical System of Natural Experimental Philosophy: Including Astronomy and ChronologyHopkins and Earle, 1809 - 538 страници |
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Страница 27
... Hence too , the more subtile parts of medicines , used for the cure of diseases , are incorporated with the juices of the body , being attracted and carried to the remotest members by the force of these capillary tubes . Thousands of ...
... Hence too , the more subtile parts of medicines , used for the cure of diseases , are incorporated with the juices of the body , being attracted and carried to the remotest members by the force of these capillary tubes . Thousands of ...
Страница 29
... Hence the praxis of foliating glass ; the mercury will incorporate with lead or a thin sheet of tin , and fill up the inequalities of its surface , so that the air being excluded from its pores , by the mercury , the tinfoil is brought ...
... Hence the praxis of foliating glass ; the mercury will incorporate with lead or a thin sheet of tin , and fill up the inequalities of its surface , so that the air being excluded from its pores , by the mercury , the tinfoil is brought ...
Страница 38
... hence is the collection of watry particles on the stone walls of a building , or the sides of metallic vessels in a hot day , when evaporation is going briskly on , or the air is much loaded with mois- ture . But still it must be ...
... hence is the collection of watry particles on the stone walls of a building , or the sides of metallic vessels in a hot day , when evaporation is going briskly on , or the air is much loaded with mois- ture . But still it must be ...
Страница 39
... Hence a wet room is quickly dried by being exposed to the open air . Hence the sudden drying of the roads after rain , by a strong wind . Because of the limited sphere of attraction belonging to each particle of air , it can sus- pend ...
... Hence a wet room is quickly dried by being exposed to the open air . Hence the sudden drying of the roads after rain , by a strong wind . Because of the limited sphere of attraction belonging to each particle of air , it can sus- pend ...
Страница 42
... ( hence files and drills are always found to be magnetical ; ) — by suffering iron bars to stand long in one position ; -by conducting a violent shock of lightning or charge of electricity ; - by heating the iron until it become redhot ...
... ( hence files and drills are always found to be magnetical ; ) — by suffering iron bars to stand long in one position ; -by conducting a violent shock of lightning or charge of electricity ; - by heating the iron until it become redhot ...
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Често срещани думи и фрази
altitude angle of incidence angle of refraction aphelion appear apsis atmosphere attraction axis called cause central force circle colour comets concave concave lens converge convex lens degree denser medium descend diameter direction diverge earth ecliptic elastic electricity ellipsis equal equator eye-glass fall fluid focal distance focus glass globe greater greatest half heat Hence hole horizon increased inversely Jupiter latitude length less mean mercury meridian mirror moon moon's motion move nearer node object observed octave orbit parabola parallax parallel particles pass perpendicular plane Plate pole pressure produced projectile proportional quadrature quantity of matter radiant point radius rays of light reflected reflexion retina revolution revolving right ascension round side sine solar sound space specific gravity square root star star's string sun's superior planets supposed surface syzygies tance tangent telescope thereby tion tube velocity vessel vibrations weight whole