Gemma Frisius
Subtitle: his method of determining differences of longitude by transporting time-pieces (1530), and his treatise on triangulation (1533)
Contributors: Gemma, Frisius, 1508-1555
Publisher: Saint Catherine Press
Published: 1935
Place of publication: Bruges
Language: eng
Number of pages: 485
Subjects: Longitude; Triangulation
Notes: Includes a facsimile reproduction of Gemma's Libellus de locorum describendorum ratione, Antwerp, 1533.