Mathematics, mechanics, heatAmerican School of Correspondence, 1903 - Engineering |
From inside the book
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Page 7
... Sextant of Quadrant 32 Newton's Laws 10 Chronometer 32 Parallelogram of Force 12 Nautical Almanac 32 Force Diagrams : Rational Horizon 34 For Two or More Forces in One Declination 35 Plane 15 Altitude 35 For Forces in Several Planes 17 ...
... Sextant of Quadrant 32 Newton's Laws 10 Chronometer 32 Parallelogram of Force 12 Nautical Almanac 32 Force Diagrams : Rational Horizon 34 For Two or More Forces in One Declination 35 Plane 15 Altitude 35 For Forces in Several Planes 17 ...
Page 24
... sextant angles of any well - defined prominent points , which , when used in connection with Lecky's " Off Shore Danger Angles , " gives the distance in miles from the point of land to the ship , and by also observing the bearing of the ...
... sextant angles of any well - defined prominent points , which , when used in connection with Lecky's " Off Shore Danger Angles , " gives the distance in miles from the point of land to the ship , and by also observing the bearing of the ...
Page 32
... Sextant or Quadrant , the Chronometer and the Nautical Almanac . It will now be necessary to give definitions before stating the problems in Nautical Astronomy , previous to reading which the student should reread the definitions given ...
... Sextant or Quadrant , the Chronometer and the Nautical Almanac . It will now be necessary to give definitions before stating the problems in Nautical Astronomy , previous to reading which the student should reread the definitions given ...
Page 33
... Sextant , are the Sun , Moon , Mars , Venus , Jupiter , Saturn and the fixed stars of first and second magnitude . In this book the sun only will be considered , but the student should understand that the stars are used in practically ...
... Sextant , are the Sun , Moon , Mars , Venus , Jupiter , Saturn and the fixed stars of first and second magnitude . In this book the sun only will be considered , but the student should understand that the stars are used in practically ...
Page 35
... sextant . Zenith distance is 90 ° minus the altitude . Polar distance is 90 ° minus the declination . Hour Angle . At three o'clock , for example ( or to be more correct , three hours apparent time ) , the sun's NAVIGATION . 35.
... sextant . Zenith distance is 90 ° minus the altitude . Polar distance is 90 ° minus the declination . Hour Angle . At three o'clock , for example ( or to be more correct , three hours apparent time ) , the sun's NAVIGATION . 35.
Common terms and phrases
acting altitude amount beam body called center of gravity chart circle coefficient compass Corollary course cubic dead reckoning decimal degrees diameter direction distance divided earth elastic elastic limit energy equal equation EXAMPLES FOR PRACTICE factor of safety feet per second foot foot-pounds force formula friction gear given greater Greenwich mean heat Hence hour angle hypothenuse kinetic latitude length liquid load logarithm longitude magnetism mantissa mercury meridian miles minute molecules motion move multiplied Nautical orifice parallel parallelogram pendulum perpendicular plane polygon position poundal pounds per square pressure proportional pulley quadrant radius resultant revolutions revolutions per minute right angles right triangles sextant shaft ship ship's side specific gravity square inch straight line stress substance surface temperature Theorem tion triangles A B C unit velocity vertical vessel weight wheel wrought iron
Popular passages
Page 70 - PROBLEM. To inscribe a circle in a given triangle. Let ABC be the given triangle : it is required to inscribe a circle in the triangle ABC.
Page 39 - A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center.
Page 32 - If the diagonals of a quadrilateral bisect each other, the figure is a parallelogram.
Page 6 - Every body continues in its state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by forces impressed upon it.
Page 7 - If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line.
Page 54 - If two polygons are composed of the same number of triangles, similar each to each and similarly placed, the polygons are similar.
Page 21 - If two triangles have two sides, and the included angle of the one equal to two sides and the included angle of the other, each to each, the two triangles are equal in all respects.
Page 31 - If two sides of a quadrilateral are equal and parallel, the figure is a parallelogram.
Page 60 - The area of a triangle is equal to one-half the product of its base and altitude.
Page 46 - An angle formed by a tangent and a chord is measured by onehalf the intercepted arc.