A New Treatise on the Use of the Globes; Or, A Philosophical View of the Earth and Heavens

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Page 33 - Every body continues in its state of rest or uniform motion in a straight line except in so far as it is compelled by external forces to change that state.
Page 50 - In this case, it is obvious that the plane of the circle of illumination would be perpendicular to a line drawn from the centre of the sun to the centre of the earth...
Page 148 - RULES TO KNOW WHEN THE MOVEABLE FEASTS AND HOLYDAYS BEGIN. EASTER DAY, on which the rest depend, is always the First Sunday after the Full Moon which happens upon, or next after the Twenty-first Day of March ; and if the Full Moon happens upon a Sunday, Easter Day is the Sunday after.
Page 268 - ... the western edge of the horizon, and the index will show the time of...
Page 324 - An INTRODUCTION to the THEORY and PRACTICE of PLANE and SPHERICAL TRIGONOMETRY, and the Stereographic Projection of the Sphere, including the Theory of Navigation ; comprehending a variety of Rules, Formulae, &c.
Page 217 - Elevate the globe to so many degrees above the horizon as are equal to the latitude of the place...
Page 114 - The time which this planet takes to revolve on its axis, and the inclination of its axis to the plane of its orbit, have been given by different astronomers ; but Dr. Herschel, from a long series of observations on this planet, published in the Philosophical Transactions for 1793, concludes, that the time of this planet's rotation on its axis is uncertain, and that the position of...
Page 11 - ANTOECI are those who live in the same degree of longitude, and in equal degrees of latitude, but the one in north and the other in south latitude. They have noon at the same time, but contrary seasons of the year ; consequently, the length of the days to the one, is equal to the length of the nights to the other. Those who live at the equator can have no Antoeci.
Page 214 - Problem 12 : ihen elevate the pole as many degrees above the horizon as are equal to the latitude of that place, and bring it to the brass meridian ; so will it then be the zenith or centre of the horizon.
Page 215 - Elevate the pole so many degrees above the horizon as are equal to the latitude of the place and screw the quadrant of altitude on the brass meridian over that latitude...

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