
"The description and use of the Sector, Cross-staff and other Instruments", 2nd edition by Edmund Gunter
1636
1636
1915
1864
1543
1973
1843-1853
1962
1823
1921
1850
1862
1862
1862
1862
1825
1708
1765
1602
1512
1942
1835
1679
1977
1968
1818-1820
1818-1820
2016
1956
1752
2017
1979
2016
1888
1996
2007
1986
2014
1992
2013
1963
1866
1963