by Pedro Roiz, Joan Girbau · Joan Girbau · tapa blanda · ISBN 9788488802392
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«Libro de reloges solares, 1575» is the gnomonics treatise by Pedro Roiz and Joan Girbau, published by Joan Girbau in paperback (32 pages, in Spanish).
Modern edition of the 1575 treatise in which Pedro Roiz explains the construction of sundials and the measurement of time through the projected shadow. The work recovers the astronomical knowledge of the era and brings it closer to those interested in the history of science.
The edition is from 1999, includes the subtitle «Compuesto por Pedro Roiz» and falls under the category of sciences.
Work of interest to readers of the history of science, astronomy, and gnomonics.
