
"The description and use of the Sector, Cross-staff and other Instruments", 2nd edition by Edmund Gunter
1636
1636
1915
1864
1543
1973
1708
1765
1602
1782
1512
1942
1835
1850
1679
1862
1862
1862
1862
1825
1823
1921
1956
1925-1951
1914-1970
1950
2002
1983
1999
1977
1968
1818-1820
1818-1820
1787
1902
2016
1850-1899
1950
1926-1993
1961
1960
1948
1926-1993