Epitome of the Art of Navigation; Or, a Short, Easy, and Methodical Way to Become a Compleat Navigator: ... by James Atkinson, Senior. ... the Whole Revis'd, and Corrected, with the Utmost Care, by W. Mountaine,

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1770 Excerpt: ...and there resting the Body of the Globe, you will find the Latitude of the Lizard tobe4gd. 57m. 2. Move 2. Move the Brass Meridian (keeping the Body of the Globe fixed as before) higher or lower, Until 4gd. 57m. on it do cut the Horizon (on the North-fide thereof) then is the Globe rectified to the Latitude oFthe ... Read More

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1770 Excerpt: ...and there resting the Body of the Globe, you will find the Latitude of the Lizard tobe4gd. 57m. 2. Move 2. Move the Brass Meridian (keeping the Body of the Globe fixed as before) higher or lower, Until 4gd. 57m. on it do cut the Horizon (on the North-fide thereof) then is the Globe rectified to the Latitude oFthe Lizard: The like you must do in rectifying the Globe for any other Place, or Latitude. 3. Screw the Quadrant of Altitude to 4gd. 57m.. oh the Brass Meridian, which is just over the Lizard, (if the Globe be not returned from it's Position as in the first Step hereof, ) and turn the graduated Edge of it to Barbadoes, the said Edge will Point on the Horizon to 69 Degrees South Westerly; which is the Angle of Position of Barbados! from the Lizard; that is, the Angle, the Arc of a Great Circle, passing through or over the two Places; rriakeS with the Meridian of the Lizard, which is not the Rumb, leading from the first to the second; for, if you rectify the Globe, to the Latitude of Barbadoes, and so proceed as before directed j you will find the Angle of Position to be 38 Degrees North Easterly, the Position of the Lizard from Barbadoes, v.-hich is 3 i Degrees less than the Position of Barbadoes from the Lizcrd; whereby it appears neither of these are the true Rumb, or Point of the Compass leading from one Place ta the other: For you are to Note; 1. That the Rumb-lines, or Points of the Compass, make equal Angles with all Meridians on the Globe. 2. That an equal Segments or Part of the said Rumb, changeth, or alteretl/ the Latitude in all Places equally. %. That the Rumb-lines, though continued ever so far, do not pass into, or through the Poles, but wind about theni 'tilt they lose themselves. 4. These Rumb-lines are represented upon the Globe by those... Read Less

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• Hardcover 1762, Printed for W. and J. Mount, T. Page and Son See Item Details ▾

  Jeffrey Marks Rare Books, ABAA BEST Rochester, NY, USA

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  	Edition: 1762, Printed for W. and J. Mount, T. Page and Son Hardcover	Details: Edition: Early edition Publisher: Printed for W. and J. Mount, T. Page and Son Published: 1762 Language: English Alibris ID: 11992633964	Shipping Options: Standard Shipping: $4.61 Choose your shipping method in Checkout. Costs may vary based on destination.
  Seller's Description: Old ink ownership signatures; some inoffensive scattered staining; binding quite scuffed and rubbed at corners and with a few small losses of leather; but a tight and sound copy. 448 pp. Ten engraved folding plates (complete). 8vo,
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