The British encyclopedia, or, Dictionary of arts and sciences, Volumen5 |
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... supposed at b , the ele vation of the axis , hfo , is exactly right ; but if it be necessary to move the tele- scope into the position , uƒ c , in order to point to this star at c , the arch , mu , which measures the angle m ƒ u , or bf ...
... supposed at b , the ele vation of the axis , hfo , is exactly right ; but if it be necessary to move the tele- scope into the position , uƒ c , in order to point to this star at c , the arch , mu , which measures the angle m ƒ u , or bf ...
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... supposed to depend on the ab- sorption of oxygen ; and this oxygen com- bining with the hydrogen of the oil forms water . This opinion is supported by the practice which is followed to increase the drying property of linseed oil . It is ...
... supposed to depend on the ab- sorption of oxygen ; and this oxygen com- bining with the hydrogen of the oil forms water . This opinion is supported by the practice which is followed to increase the drying property of linseed oil . It is ...
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... supposed that the ancient engravers made use of a glass globe filled with water to magnify their figures , that they might work to more advantage . Ptolemy , about the middle of the second century , wrote a considerable treatise on ...
... supposed that the ancient engravers made use of a glass globe filled with water to magnify their figures , that they might work to more advantage . Ptolemy , about the middle of the second century , wrote a considerable treatise on ...
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... supposed distance ; so that if these angles be nearly equal , and the distance of one object be conceived greater than that of the other , this will be imagined to be the larger . And he further observes , that the sky near the horizon ...
... supposed distance ; so that if these angles be nearly equal , and the distance of one object be conceived greater than that of the other , this will be imagined to be the larger . And he further observes , that the sky near the horizon ...
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... supposed to contain it , by distillation in an earthen retort with half their weight of iron filings or lime . The mercury , if any be present , will rise and be condensed in the receiver . " Ores of zinc " may be digested with the ...
... supposed to contain it , by distillation in an earthen retort with half their weight of iron filings or lime . The mercury , if any be present , will rise and be condensed in the receiver . " Ores of zinc " may be digested with the ...
Términos y frases comunes
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