
Sample of gutta percha insulated cable, 1863-7
1863-7
1863-7
circa 1810
1893-4
2000-100 BCE
1705-1737
1809
4000-2001 BCE
1668; 1924
1990-95
1610; 1923
1642-1649 (original); 1883 (model)
1936
1846-08
circa 3000 BCE
1810
1810
100 BCE-300 CE; 1890-1920
2000-1350
1972-3
2000-1000
1851-1800
15/7/27
15/7/27
1840-160
circa 3000 BCE
3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
1809-1810
1809 Sept 14
1809
circa 1830
1811
1809
1810
30 CE
30 CE
1811
2686-2613 BCE
1810
1811
1888-185
1945-50
1811
1810
20-400