An Introduction to Astronomy, Geography, Navigation and Other Mathematical Sciences, Made Easie by the Description and Uses of the Coelestial and Terrestrial Globes ...: And Also, the Description and Use of Maps and Charts Both General and Particular

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R. Morden, 1702 - Astronomy - 271 pages
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Page 73 - ... where you are, turn the globe till the index points at the upper figure of...
Page 71 - To find the Length of the longest and shortest Days and Nights in any Part of the World. Elevate the pole according to the latitude of the given place, and bring the first degree of Cancer to the brass meridian (if the given place be in north latitude,) and set the index to twelve ; then brin...
Page 75 - Find, by the last problem, the place to which the sun is vertical at the given hour, and bring the same to the meridian, and rectify the globe to a latitude equal to the sun's declination. Then to all the places just under the western side of the horizon, the sun is rising ; to those just above the eastern horizon, the sun is...
Page 74 - Chalk, as alfo the Moon's place at the fame time : Bring the Sun's place to the Brazen Meridian, and fet the Index of the Horary Circle at Noon, and turn the Globe till the Moon's place...
Page 69 - PROB. 6. and marked, as alfo the moon's place at the fame time, bring the fun's place to the brazen meridian, and fet the index of the horary circle at noon ; then turn the globe till the moon's place...
Page 73 - ... it is mid-day at the time given. Which done, turn the globe till the index points at the lower figure of XII ; and whatever places are then in the lower semicircle of the meridian, in them it is midnight at the given time. After the...
Page 183 - The stomachs of birds shot at all times of the year and in all parts of the state, have been preserved in alcohol, each labeled with name, date and locality.
Page 72 - Proportional,which is the number defired, vie. the Hour of the Day according to our way of reckoning in England.
Page 92 - Deg» of Capricorn to the Meridian, and the Index to 1 2 a Clock. Then move the Globe and Quadrant of Altitude fo together, that the Gr tat Dog meet with 14 Deg.

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