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Allard, Carolus

Planisphærii coelestis hemisphærium meridionale [—septentrionale]. Amsterdam: J. Covens & C. Mortier, ca. 1730

2 double-page maps (20¾ x 25 in.; 528 x 635 mm). Center fold guarded on verso, early repair to short tear on septentrional map, center folds browned, lower extremities a tiny bit frayed.


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相關資料

Eclipses have been predicted and diagrams drawn of them from at least the time of Aristotle and Ptolemy, but true eclipse maps, in the sense of geographical maps showing the track of eclipses, are a phenomenon of the eighteenth century onwards.

In the century before Halley, eclipse "maps" such as those by John Speed (1626) and Carel Allard (first published ca. 1700) were essentially small diagrams in the margins of larger geographical or celestial maps. Allard's map of the southern celestial hemisphere includes a globe on which there are continents and geographical names, and it shows the area affected by the total eclipse at a given point in time.

Fine Books and Manuscripts

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紐約