Lectures on Select Subjects in Mechanics, Hydrostatics, Pneumatics, Optics, and AstronomyT. Tegg, 1837 - Всего страниц: 463 |
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Стр. xxx
... ecliptic passed through in that map , and comparing these with the starry heaven , I was so impressed as sometimes to imagine that I saw the ecliptic in the heaven , among the stars , like a broad circular road for the sun's apparent ...
... ecliptic passed through in that map , and comparing these with the starry heaven , I was so impressed as sometimes to imagine that I saw the ecliptic in the heaven , among the stars , like a broad circular road for the sun's apparent ...
Стр. xxxv
... ecliptic with its twelve signs ( through which the sun goes in twelve months ) to the circle of twelve hours on the dial - plate of a watch , the hour - hand to the sun , and the minute- hand to the moon , moving in the ecliptic ; the ...
... ecliptic with its twelve signs ( through which the sun goes in twelve months ) to the circle of twelve hours on the dial - plate of a watch , the hour - hand to the sun , and the minute- hand to the moon , moving in the ecliptic ; the ...
Стр. xxxvi
... ecliptic in 18 years and 224 days , which was at the rate of 3 min . 11 sec . every 24 hours . But , as I scarcely knew , in the year 1730 , what the moon's nodes meant , I took no further notice of it at that time . However , in the ...
... ecliptic in 18 years and 224 days , which was at the rate of 3 min . 11 sec . every 24 hours . But , as I scarcely knew , in the year 1730 , what the moon's nodes meant , I took no further notice of it at that time . However , in the ...
Стр. 280
... ecliptic , or circle of the sun's apparent annual motion ; one half of which is on the north side of the equinoctial , and the other half on the south . tic . The sun . If a large stud be made to move eastward in this ecliptic in such a ...
... ecliptic , or circle of the sun's apparent annual motion ; one half of which is on the north side of the equinoctial , and the other half on the south . tic . The sun . If a large stud be made to move eastward in this ecliptic in such a ...
Стр. 281
... ecliptic ) and the earthly globe were turned round the axis of the sphere eastward . For , as the insect would be carried round with the globe , he would be quite in- sensible of its motion ; and the sun and stars would appear to move ...
... ecliptic ) and the earthly globe were turned round the axis of the sphere eastward . For , as the insect would be carried round with the globe , he would be quite in- sensible of its motion ; and the sun and stars would appear to move ...
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altitude angle axis axle ball body bottom brass brazen meridian bucket bulk catgut center of gravity center of motion centrifugal force circle cock cogs cubic cylinder declination degrees dial diameter distance divided draw drawn earth ecliptic edge engine equal equator equinoctial fall feet fixed fluid glass gnomon half hole horizon hour-lines inches inclined plane latitude LECT length lever machine mean motion moon move north pole object ounces parallel perpendicular height pipe piston plane plate polar circles pole pounds pressure pulley pump quadrant quantity quicksilver raised ratchet-wheel rays receiver right line rise rope scale screw shew side sine specific gravity spring square steam steam engine sun's place suppose surface syphon tion troy troy ounces Troy weight trundle tube valve velocity vessel wedge weight wheel whilst whole winch wire