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 |
From inside the book
Results 1-5 of 34
Page
... refraction of crystals . This task his friend father Mersenne undertook , not only by correcting what Niceron's papers in Latin and French would furnish towards it , but by supplying what might be necessary to perfect it . But the other ...
... refraction of crystals . This task his friend father Mersenne undertook , not only by correcting what Niceron's papers in Latin and French would furnish towards it , but by supplying what might be necessary to perfect it . But the other ...
Page
... refractions . See QUADRANT . VI . Transit and Equal Altitude Instru- ments . The transit instrument is used for observing objects as they pass over the meridian . It consists of a telescope fixed at right angles to a horizontal axis ...
... refractions . See QUADRANT . VI . Transit and Equal Altitude Instru- ments . The transit instrument is used for observing objects as they pass over the meridian . It consists of a telescope fixed at right angles to a horizontal axis ...
Page
... refraction circle is set to the same minute , & c . which the index points to on the limb of the quad- rant ; and if the minute , & c . given by the quadrant exceed the 3 ′ 18 ′′ contained in one entire revolution of the refraction ...
... refraction circle is set to the same minute , & c . which the index points to on the limb of the quad- rant ; and if the minute , & c . given by the quadrant exceed the 3 ′ 18 ′′ contained in one entire revolution of the refraction ...
Page
... refraction appa- ratus for this adjustment , set the index on the slide to the first division on the dove- tail ; and set the division marked 18 " on the refraction circle to its index ; then look through the telescope , and with the ...
... refraction appa- ratus for this adjustment , set the index on the slide to the first division on the dove- tail ; and set the division marked 18 " on the refraction circle to its index ; then look through the telescope , and with the ...
Page
... refractions and reflections , till at length falling on some solid part , they become quite extinct , and are ... refraction or reflection takes place , be- cause of the equal attraction every way so that such of the rays of light ...
... refractions and reflections , till at length falling on some solid part , they become quite extinct , and are ... refraction or reflection takes place , be- cause of the equal attraction every way so that such of the rays of light ...
Other editions - View all
Common terms and phrases
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 potash pound 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