The British encyclopedia, or, Dictionary of arts and sciences, Volumen5 |
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... motion , finishes its circulation in the compass of nineteen years ; after which time , either of the nodes having re- ceded from any point of the ecliptic , re- turns to the same again ; and when the Moon is in the node , she is also ...
... motion , finishes its circulation in the compass of nineteen years ; after which time , either of the nodes having re- ceded from any point of the ecliptic , re- turns to the same again ; and when the Moon is in the node , she is also ...
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... motion , only very small , and scarcely sensible . NUTMEG , in natural history , the kernel of a large fruit , not unlike the peach , the produce of a tree called by botanists My- RISTICA , which see . The nutmeg is separated from its ...
... motion , only very small , and scarcely sensible . NUTMEG , in natural history , the kernel of a large fruit , not unlike the peach , the produce of a tree called by botanists My- RISTICA , which see . The nutmeg is separated from its ...
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... motion of the telescope upon the limb , will be suffi- eiently true , or free from conical curvity , which may be examined by suspending a long plumb - line at a convenient distance from the instrument , and by fixing the plane of the ...
... motion of the telescope upon the limb , will be suffi- eiently true , or free from conical curvity , which may be examined by suspending a long plumb - line at a convenient distance from the instrument , and by fixing the plane of the ...
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... motion by the screw P , and the vertical by the screw V. These two motions serve to adjust the telescope to the plane of the horizon and meridian : to the plane of the horizon by the spirit - level , E F ( fig . 4 ) hung by DC on the ...
... motion by the screw P , and the vertical by the screw V. These two motions serve to adjust the telescope to the plane of the horizon and meridian : to the plane of the horizon by the spirit - level , E F ( fig . 4 ) hung by DC on the ...
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... motion of the line of collimation , F. 4. The telescope , which is an achromatic refractor with a triple ob- ' ject glass , whose focal distance is 17 inches , and aperture 2.45 inches , and furnished with six different eye - tubes ; so ...
... motion of the line of collimation , F. 4. The telescope , which is an achromatic refractor with a triple ob- ' ject glass , whose focal distance is 17 inches , and aperture 2.45 inches , and furnished with six different eye - tubes ; so ...
Términos y frases comunes
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