Astronomy, Astronomy--Early works to 1500, QB41 .R63 1497
This work contains two texts. The first is a treatise on the planispheric astrolabe of Robert of Chester, who may or may not be the same person as... Show moreThis work contains two texts. The first is a treatise on the planispheric astrolabe of Robert of Chester, who may or may not be the same person as Robert of Ketton, who wrote a number of scientific treatises and translated Arabic works, such as al-Khwarizmi's Algebra, made whilste he was in Segovia in 1145. He also wrote an original treatise on the construction of the universal astrolabe, in London in 1147. The second text is a treatise on surveying, illustrated with sixty-two woodcut diagrams, showing techniques for the measurement of altitudes (including using an astrolabe), angles and distances. Partis secunde huius De mensurationibus reru[m] tractatulus Signatures: a-c⁸, d⁶ 36, 37 lines to a page. Publication place, name of publisher and publication date taken from the ISTC. Initial letters in woodcuts and sixty-two woodcut diagrams Marginal handwriten remarks Main Heritage Display General QB41 .R63 1497 Book Item-ID: i21509256 BIB-ID: 1950494 Show less
