The Cross-Staff

Morzer-Bruyns, W.F.J.: 1994 Zutphen, 127 pages, a comprehensive work that details the history, development, and usage of the cross-staff, a crucial navigational tool. The book covers its origins, evolution from astronomical to maritime use, and includes detailed descriptions of the instrument's design, graduations, and various historical examples. ISBN 9789060119075 English Language. In very good condition