Time's telescope; or, A Complete guide to the almanack [ed. by J. Millard].John Millard (assistant librarian of the Surrey inst) 1819 |
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Strona 75
... motion . This may be familiarly illustrated by conceiving the minute hand of a watch to pass with a uni- form motion over the whole circumference of the dial plate ; then , all the divisions on that plate being supposed to be equal to ...
... motion . This may be familiarly illustrated by conceiving the minute hand of a watch to pass with a uni- form motion over the whole circumference of the dial plate ; then , all the divisions on that plate being supposed to be equal to ...
Strona 76
... motion of the Sun , is denominated apparent or solar time , and each interval between two consecutive returns of the Sun to the same meridian constitutes a solar day , which is divided into 24 hours . But as the Earth has an annual motion ...
... motion of the Sun , is denominated apparent or solar time , and each interval between two consecutive returns of the Sun to the same meridian constitutes a solar day , which is divided into 24 hours . But as the Earth has an annual motion ...
Strona 77
... motion in its orbit , if the Sun be suppos- ed to move in an opposite direction , the effect will be the same . For when the Sun is in the meri- dian of any place on one day , and that place is carried round to the same position the ...
... motion in its orbit , if the Sun be suppos- ed to move in an opposite direction , the effect will be the same . For when the Sun is in the meri- dian of any place on one day , and that place is carried round to the same position the ...
Strona 101
... motion , by which means he would describe equal arcs of that circle in equal times . This is the time that is shown by well regulated clocks and watches ; and as they sup- pose the mean motion of the Sun to be adopted as the measure of ...
... motion , by which means he would describe equal arcs of that circle in equal times . This is the time that is shown by well regulated clocks and watches ; and as they sup- pose the mean motion of the Sun to be adopted as the measure of ...
Strona 102
... motion of the Earth in its orbit , or , according to ap- pearances , of the Sun in the ecliptic ; and the incli- nation of the ecliptic to the equator . As the Earth's axis is perpendicular to the plane of the equator , and the motion ...
... motion of the Earth in its orbit , or , according to ap- pearances , of the Sun in the ecliptic ; and the incli- nation of the ecliptic to the equator . As the Earth's axis is perpendicular to the plane of the equator , and the motion ...
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