American Edition of the British Encyclopedia: Or, Dictionary of Arts and Sciences ; Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Volume 9Mitchell, Ames and White, 1821 - Natural history |
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... rays of the sun . At present no use is made Prismatic Fibrous Compact contains 69.57 of acid 74.5 of this salt , except for drying some of the gases by attracting their moisture ; but it might be employed instead of the nitrate of ...
... rays of the sun . At present no use is made Prismatic Fibrous Compact contains 69.57 of acid 74.5 of this salt , except for drying some of the gases by attracting their moisture ; but it might be employed instead of the nitrate of ...
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... 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 ex- actly together at any distance from the glass ; if they do , it is a proof of ...
... 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 ex- actly together at any distance from the glass ; if they do , it is a proof of ...
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... rays of light . It has been suppos- ed that opacity consists in this , that the pores of the body are not all straight . This doctrine , however , is deficient : for though to have a body transparent , its pores must be straight , or ...
... rays of light . It has been suppos- ed that opacity consists in this , that the pores of the body are not all straight . This doctrine , however , is deficient : for though to have a body transparent , its pores must be straight , or ...
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... rays falling upon it to the convex glass , through which they are refracted to the concave eye - glass , whence they emerge parallel to the eye at the hole in the tube . This instrument is not intended to magnify objects more than about ...
... rays falling upon it to the convex glass , through which they are refracted to the concave eye - glass , whence they emerge parallel to the eye at the hole in the tube . This instrument is not intended to magnify objects more than about ...
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... rays of light undergo in the eye ; and shows why objects appear sometimes greater , sometimes smaller , sometimes more distinct , sometimes more confused , sometimes nearer , and sometimes more remote . In this extensive signification ...
... rays of light undergo in the eye ; and shows why objects appear sometimes greater , sometimes smaller , sometimes more distinct , sometimes more confused , sometimes nearer , and sometimes more remote . In this extensive signification ...
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Common terms and phrases
absciss action affections ammonia angle animal antimony appear asafoetida association axis become benevolence birds body boiling botany called calyx centre circle class and order colour common compound connected consequence consists corolla degree dissolved distance distilled drupe Dubl Edin electuary employed equal Essential character excite feelings fixed flowers fluid fossil frequently genus give glass happiness heat Hence ideas inches Jussieu kind less Lond manner means ment metal mind Monogynia class moral motion mucilage muriatic muriatic acid Natural order neral nitrate nitre nitric acid object observed Oleum organzine oxide oxygen pains parabola parallax parallel passions pendulum perpendicular person plane Plate pleasures potash principle produced quantity Radix rays refraction respect salt seeds sensation sensible shell side sion solution species specific gravity substances sulphur supposed syrup term tinc tincture tion ture vapour vessels weight