Dictionary of the Mathematical and Physical Sciences, According to the Latest Improvements and Discoveries |
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Page 3
... rays of light when inflected by a lens , or speculum , whereby they are pre- vented from meeting or uniting in the ... rays , the longitudi- nal aberration of the extreme ray is equal to 1 of the thickness of the lens . In all double ...
... rays of light when inflected by a lens , or speculum , whereby they are pre- vented from meeting or uniting in the ... rays , the longitudi- nal aberration of the extreme ray is equal to 1 of the thickness of the lens . In all double ...
Page 47
... rays of light , by reflection , make the angle of incidence equal to that of reflec- Lion , we hence deduce the whole science of Captoptics . The case is also the same in many other sciences . APPROACH . The Curve of equa- ble Approach ...
... rays of light , by reflection , make the angle of incidence equal to that of reflec- Lion , we hence deduce the whole science of Captoptics . The case is also the same in many other sciences . APPROACH . The Curve of equa- ble Approach ...
Page 51
... rays , be- gins to appear . This arch is differ- ent for different planets ; being for Mercury 10 , Venus 5 ° , Mars 11 ° , Jupiter 10 , Saturn 11 ° ; a star of the 1st magnitude 12 ° , 2d magnitude 13 ' , & c . This angle is not , how ...
... rays , be- gins to appear . This arch is differ- ent for different planets ; being for Mercury 10 , Venus 5 ° , Mars 11 ° , Jupiter 10 , Saturn 11 ° ; a star of the 1st magnitude 12 ° , 2d magnitude 13 ' , & c . This angle is not , how ...
Page 57
... rays of the sur , and was inhabited like the earth ; that comets were a kind of wandering stars , disappearing in the farther parts of their orbits ; that the white colour of the milky way was owing to the united brightness of a great ...
... rays of the sur , and was inhabited like the earth ; that comets were a kind of wandering stars , disappearing in the farther parts of their orbits ; that the white colour of the milky way was owing to the united brightness of a great ...
Page 58
... rays , and the places of the fixed stars . And about the year 1270 , Vitello , a Po- lander , composed a treatise on op- tics , in which he showed the use of refraction in astronomy . From the year 800 till the begin- ning of the ...
... rays , and the places of the fixed stars . And about the year 1270 , Vitello , a Po- lander , composed a treatise on op- tics , in which he showed the use of refraction in astronomy . From the year 800 till the begin- ning of the ...
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Dictionary of the Mathematical and Physical Sciences: According to the ... James Mitchell No preview available - 2017 |
Dictionary of the Mathematical and Physical Sciences: According to the ... James Mitchell No preview available - 2017 |
Common terms and phrases
absciss Algebra altitude appears Arithmetic Astronomy axis body called centre circle co-efficients conic sections consequently cosine cube cubic equation curve cycloid cylinder degree denominator denote diameter distance diurnal motion divided divisor earth ecliptic ellipse equa equal equation feet figure fluid fluxion force formula fraction frustrum Geometry given glass gravity greater greatest heat Hence horizon hyperbola inches instrument latitude length less logarithm longitude means measure mercury meridian method moon motion multiplied object observed orbit ordinate parabola parallax parallel passing perihelion perpendicular plane poles produced proportion quantity radius ratio rays refraction right angles right ascension right line roots side signs sine solid space specific gravity sphere spherical square stars subtangent supposed surd surface tance tang tangent telescope tion triangle tube velocity weight whence wind