Nautical charts (1908) (14778004354)

Identifier: nauticalcharts00putn (find matches)

Title: Nautical charts

Year: 1908 (1900s)

Authors: Putnam, G. R. (George Rockwell), b. 1865

Subjects: Nautical charts

Publisher: New York, J. Wiley & Sons (etc.)

Contributing Library: The Library of Congress

Digitizing Sponsor: The Library of Congress

Text Appearing Before Image:

FIG. 2. CHART CF NORTH ATLANTIC OC

Text Appearing After Image:

BY JUAN DE LA COSA, 1500. EARLIEST EXTANT CHART SHOWING AMERICA. Development of Chart Making 9 such proportion that a rhumb line, or line cutting themeridians at a constant angle, would appear on themap as a straight line. Mercator never explainedthe construction of his chart, and as the above conditionwas not accurately carried out, it is thought that thechart was drawn by comparing a terrestrial globewith a plain chart. After examination of a merca-tor chart in 1590, Edward Wright developed the cor-rect principles on which such a chart should beconstructed, and published in 1599 his treatise TheCorrection of Certain Errors in Navigation. It tooknearly a century to bring this chart into use, and evenin the middle of the eighteenth century nautical writerscomplain that some prefer the plain chart. The Arcano del Mare, 1646, was the first marineatlas in which all the maps were drawn on the merca-tor projection. In the sixteenth, seventeenth and eighteenth centuriescharts and sailing di

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1908

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