Trait‚ du nivellement, triangles
AuthorPicard, M (Jean), 1620-1682
Page image from bound volume which has the following bibliographic description: 7 preliminary leaves, 212, 12 unnumbered pages, 3 leaves of plates : illustrations, diagrams ; 17 cm
Picard was an ordained Jesuit priest, professor of astronomy at the College de France and a member of the Academie Royale de Sciences. He was the first to accurately compute the size of the Earth.
Astronomy--Early works to 1800