
"The description and use of the Sector, Cross-staff and other Instruments", 2nd edition by Edmund Gunter
1636
1636
1640
1640
1640
2000-100 BCE
1990-96
1636
1640
1640
4000-2001 BCE
1642-1649 (original); 1883 (model)
1990-95
1610; 1923
1634 (print); 1581-1587 (observatory)
300 BCE; 1905-1915
1647
1936
1910-130
circa 2000 BCE
700-100 BCE; 1930-1950
30
1-79 CE; before 1914
circa 1700-1600 BCE
2000-1350
2000-1350
2000-1350
2000-1350
1850-1350
10,000-2,000 BCE
1913; circa 900 CE
3000-1500
circa 1700-1600 BCE
1701-800
2000-1350
2050-1750 BCE
1701-180
1972-3
2500 BCE
2000-1000
1638
1880-120
1642
circa 1800 BCE
1066; 1876
15/7/27
15/7/27
1840-160
circa 3000 BCE
3000 BCE
circa 3000 BCE