The British Encyclopedia, Or Dictionary of Arts and Sciences: Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge : Illustrated with Upwards of 150 Elegant Engravings. N - R. 5Longman, 1809 - 680 pages |
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Page 12
... 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 ...
Page 16
... 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 ...
Page 37
... rays of light . It has been supposed or common wood - louse , found in great that opacity consists in this , that the pores quantities under the bark of decayed trees , of the body are not al ! straight . This doc- beneath stones in ...
... rays of light . It has been supposed or common wood - louse , found in great that opacity consists in this , that the pores quantities under the bark of decayed trees , of the body are not al ! straight . This doc- beneath stones in ...
Page 37
... 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 ...
Page 37
... 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 ...
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Common terms and phrases
acid action ammonia angle angle of incidence animal appear axis benevolence body botany called calyx centre chyle circle class and order colour common compound connected consequently consists convex convex lens corolla degree distance distilled drupe Dubl earth ecliptic Edin effect employed equal Essential character feelings feet fixed flowers fluid fossil genus glass heat Hence ideas inches instrument iron ject Jussieu kind length less light Lond manner matter means ment metal mind Monogynia class motion mucilage muriatic muriatic acid Natural order nitre nitric acid object observed organs oxide oxygen parabola parallel pass perpendicular person piece plane plants Plate pleasures potash pound principle produced proportion quantity racter rays receiver refraction seeds sensation sensible side solution sometimes species specific gravity stances substances sulphur supposed surface term tincture tion Triandria tube vegetable vessels volatile oils weight