horological rubber
1850-1900
1850-1900
1857-1870
1861-1866
1864-1900
circa 1861
1862
1850-1859
1895
1849
1855
1870
circa 1900
1878
circa 1900
1850-1900
circa 1880
1900
1875
1884
1860
1850
circa 1885
1895
1896
1898
1886
1858
1896
1858-03-02
1865-1866
1860-1900
1854
1851-1900
1858
1875
1870-1890
1885
1858
1870-1880
1898
1851
1857-1858
1865
1857-1858
1857-1858
1866
1865
1871-1900
1871
1874-1900