"The description and use of the Sector, Cross-staff and other Instruments", 2nd edition by Edmund Gunter
1636
1636
1864
1915
1543
1973
1942
1555
1849
1843-1853
1882
1843-1853
1902
1911
1983
1831
1974
2010
1843-1853
2017
1995
1962
1843-1853
1995
2019
1925-1951
1964
1843-1853
2001
2011
1849
1823
2016
1843-1853
1610-1611
1985
1843-1853
1983
1979
1914-1970
1843-1853
1973
1843-1853
1900-1970