Sujet
Cross-staffs used for surveying
Légende
Cross-staffs used for surveying: in this case for measuring the width of a river by triangulation. From Sebastian Munster "Rudimenta Mathematica", Basle, 1551. Woodcut
Date
1551
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07103_460000613
Licence
Droits gérés
Format disponible
27,2Mo (1,9Mo) / 30,0cm x 22,7cm / 3543 x 2679 (300dpi)