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The seaman's tutor, explaining geometry, cosmography, and trigonometry : with requisite tables of longitude and latitude of sea-ports, traverse tables, tables of easting and westing, meridian miles, declinarions, amplitudes, refractions, use of the compass , kalendar, measure of the earth's globe, use of instruments and charts, difference of sailing, estimation of a ship's way by the log, and log-line, currents, & c. : compiled for the use of the mathematical school in Christ's hospital-London, His Majesty Charles II, his royal foundation (1682)

Perkins, Peter · London : Obadiah Blageave · leaf 381

An illustration from The seaman's tutor, explaining geometry, cosmography, and trigonometry : with requisite tables of longitude and latitude of sea-ports, traverse tables, tables of easting and westing, meridian miles, declinarions, amplitudes, refractions, use of the compass , kalendar, measure of the earth's globe, use of instruments and charts, difference of sailing, estimation of a ship's way by the log, and log-line, currents, & c. : compiled for the use of the mathematical school in Christ's hospital-London, His Majesty Charles II, his royal foundation, 1682, leaf 381
The Tutor to Navigation. 95 Is departed fr0m the Meridian $1 miles; what is her Courfe and Pittance ? … Gtmvij* and laid thereon the Having drawn A C, A, and on A raifed the 70 minutes from C to lay 7o m. from A to B, Perpendicular A B, and drawB.C. jfrithmetickz

Navigation -- Early works to 1800 · Imprint 1682

Internet Archive · John Carter Brown Library · Public domain (published before 1931). Free to use for anything.

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