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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... length . In the centre of the two circular plates is adjusted a long index , moveable upon the upper plate . And the three pieces , viz . the two circles and index , are joined by a rivet which is pierced through the centre with a hole ...
... length . In the centre of the two circular plates is adjusted a long index , moveable upon the upper plate . And the three pieces , viz . the two circles and index , are joined by a rivet which is pierced through the centre with a hole ...
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... length his inclination for the sciences became irresistible , and he gave himself up to the study of natural philosophy with an ardour to which the kind of privation in which he had so long lived gave augmented force . It was now his ...
... length his inclination for the sciences became irresistible , and he gave himself up to the study of natural philosophy with an ardour to which the kind of privation in which he had so long lived gave augmented force . It was now his ...
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... length , for observing particular phenomena . See TELESCOPE . III . A Micrometer for measuring small angular distances . See MICROMETer . IV . A Quadrant , for a description of which , and its several uses , we refer to the article ...
... length , for observing particular phenomena . See TELESCOPE . III . A Micrometer for measuring small angular distances . See MICROMETer . IV . A Quadrant , for a description of which , and its several uses , we refer to the article ...
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... length six inches , con- taining ten degrees , divided into quar- ters , and numbered from either end to the other . The telescope carries a nonius , or subdi- viding plate , whose length being equal to sixteen quarters of a degree , is ...
... length six inches , con- taining ten degrees , divided into quar- ters , and numbered from either end to the other . The telescope carries a nonius , or subdi- viding plate , whose length being equal to sixteen quarters of a degree , is ...
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... length , and made truly parallel to it ; for this purpose make the polar axis perpendicular or nearly per pendicular to the horizon ; then adjust the level by the pinion of the declination semi- circle ; reverse the level , and if it be ...
... length , and made truly parallel to it ; for this purpose make the polar axis perpendicular or nearly per pendicular to the horizon ; then adjust the level by the pinion of the declination semi- circle ; reverse the level , and if it be ...
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absciss 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 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 neral nitre nitric acid object observed organs organzine oxide oxygen parabola parallax parallel pass perpendicular person phosphorus piece plane plants Plate pleasures possess potash pounds principle produced proportion quantity racter 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