Geometric Planisphere
From Inventions
Name coined by the inventor to define an instrument similar to the geometric square.
Contents |
Inventor
Giovanni Francesco Peverone
Historic Period
1558
Description
Instrument for architectural and topographical measurements composed of a square panel with sides of approximately 120 cm. One side of this instrument, carrying a vane and shadow square, was used like the geometric square and the holometer. The other side, carrying a goniometric circle, diopter and compass, was used as a surveying compass.
Bibliographical Resources
Peverone, Giovanni Francesco. Due brevi e facili trattati. In Lione, per Gio. di Tournes, 1558.
Apianus, Petrus. Cosmographicus liber Petri Apiani mathematici, iam denuo integritati restitutus per Gemmam Phrysium, item eiusdem Gemmae Phrysij libellus de locorum describendorum ratione, et de eorum distantijs inveniendis, nunquam ante hac visus. Antverpiae, Ioan. Grapheus typis cudebat, 1533.
Images
 Giovanni Francesco Peverone. Due brevi e facili trattati. Lione, 1558, p. 76. |
 Giovanni Francesco Peverone. Due brevi e facili trattati. Lione, 1558, p. 75. |
Author of the entry: Filippo Camerota
