The British encyclopedia, or, Dictionary of arts and sciences, Volum 5 |
Inni boken
Resultat 1-5 av 73
Side
... rays of the sun , At pre . sent no use is made of this salt , except for drying some of the gases by attracting their moisture ; but it might be employed instead of the nitrate of potash for manufacturing aqua fortis . The nitrate of ...
... rays of the sun , At pre . sent no use is made of this salt , except for drying some of the gases by attracting their moisture ; but it might be employed instead of the nitrate of potash for manufacturing aqua fortis . The nitrate of ...
Side
... rays through these six holes upon a plane ; then by moving the plane nearer to , or further from the glass , it will be found whether the six rays unite exactly together at any distance from the glass ; if they do , it is a proof of the ...
... rays through these six holes upon a plane ; then by moving the plane nearer to , or further from the glass , it will be found whether the six rays unite exactly together at any distance from the glass ; if they do , it is a proof of the ...
Side
... rays of light . It has been supposed that opacity consists in this , that the pores of the body are not all straight . This doc- trine , however , is deficient : for thongh to have a body transparent , its pores must be straight , or ...
... rays of light . It has been supposed that opacity consists in this , that the pores of the body are not all straight . This doc- trine , however , is deficient : for thongh to have a body transparent , its pores must be straight , or ...
Side
... rays of light , in their passage , are arrested by innumerable refractions and reflections , till at length falling on some solid part , they become quite extinct , and are utterly absorbed . Hence cork , paper , wood , & c . are opaque ...
... rays of light , in their passage , are arrested by innumerable refractions and reflections , till at length falling on some solid part , they become quite extinct , and are utterly absorbed . Hence cork , paper , wood , & c . are opaque ...
Side
... rays of light undergo in the eye ; and shows why objects appear sometimes greater , sometimes small- er , sometimes more distinct , sometimes more confused , sometimes nearer , and sometimes more remote . In this extensive significa ...
... rays of light undergo in the eye ; and shows why objects appear sometimes greater , sometimes small- er , sometimes more distinct , sometimes more confused , sometimes nearer , and sometimes more remote . In this extensive significa ...
Vanlige uttrykk og setninger
acid action ammonia angle animal appears axis benevolence body botany called calyx centre chyle circle class and order colour common compound connected consequently consists corolla degree distance distilled drupe Dubl earth ecliptic Edin effect employed equal Essential character feelings feet fixed flowers fluid fossil four genus give glass heat Hence ideas inches instrument iron ject Jussieu kind less Lond manner matter means ment metal mind Monogynia class motion mucilage muriatic acid Natural order nitre nitric acid object observed organs organzine oxide oxygen parabola parallel pass perpendicular person phosphorus piece plane plants Plate pleasures possess potash pounds principle produced proportion quantity racter Radix ratio rays receiver refraction screw seeds sensation sensible side solution species specific gravity square stances substances sulphur supposed surface term thing tincture tion Triandria tube vegetable vessels volatile weight