horological rubber
1850-1900
1850-1900
1770-1800
1701-1900
1821-1850
1701-1900
1857-1870
1835
1771-1830
1771-1830
1771-1830
1771-1830
1861-1866
1864-1900
1740-1753
circa 1861
1725-1775
1776-1780
1776-1780
1776-1780
1665-1670
1700-1720
1875
1862
1850-1859
1880-1900
1845
1735-1752
1701-1752
1750-1795
1700-1752
1895
1882
1849
1855
1794
1901
1865
1870
circa 1900
1878
1825
circa 1840
circa 1868
1884
1837
1900
1899
1888
1890
circa 1900