![](https://coimages.sciencemuseumgroup.org.uk/250/99/large_thumbnail_2016_0497__0001_.jpg)
horological rubber
1850-1900
1850-1900
1914-1918
1890-1910
1864-1900
circa 1861
1862
after 1903
1850-1859
1915
1895
1849
1855
1918
1870
1914-1920
circa 1900
1878
1912
circa 1900
1903
1902
1850-1900
circa 1880
1900
1860
1917
1846-1859
1850
1901
circa 1885
1895
1896
1902
1910
1898
1847
1870-1910
1907-1920
circa 1905
1886
1906
1880-1920
1858
1890-1910
1865-1866
1880-1920
1860-1900
1890-1920
1915
1854