alb4008632

Reiner Gemma Frisius, Dutch astronomer, geographer, cartographer and mathematician, 1539. Artist: Unknown

Reiner Gemma Frisius, Dutch astronomer, geographer, cartographer and mathematician, 1539. Gemma Frisius (1508-1555) holding an adjustable ring dial for determining the altitude of the Sun for calendar calculations. He was the first to propose the use of triangulation as a method for locating places and for mapping, and also suggested using portable chronometers to calculate longitude by means of elapsed time. From Cosmographia by Peter Apian. (Antwerp, 1539).
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Title:
Reiner Gemma Frisius, Dutch astronomer, geographer, cartographer and mathematician, 1539. Artist: Unknown
Caption:
Reiner Gemma Frisius, Dutch astronomer, geographer, cartographer and mathematician, 1539. Gemma Frisius (1508-1555) holding an adjustable ring dial for determining the altitude of the Sun for calendar calculations. He was the first to propose the use of triangulation as a method for locating places and for mapping, and also suggested using portable chronometers to calculate longitude by means of elapsed time. From Cosmographia by Peter Apian. (Antwerp, 1539).
Credit:
Album / Oxford Science Archive / Heritage Images
Releases:
? Model Release: No - ? Property Release: No
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Image size:
3815 x 4575 px | 49.9 MB
Print size:
32.3 x 38.7 cm | 12.7 x 15.2 in (300 dpi)