![](https://coimages.sciencemuseumgroup.org.uk/46/675/large_thumbnail_1967_0214__0002_.jpg)
Moulded unprocessed bakelite panel ready for ECME, 1936-1955
1936-1955
1936-1955
1890-1915
1999
1926-1934
1790-1819
1790-1819
1940-1945
1790-1819
circa 1925
circa 1925
1929
1920-1929
15/7/27
1929
1929
1929
1929
circa 1920-1929
1929
1920-1929
circa 1920-1929
1920-1929
1920-1929
1920-1929
1920-1929
1927
circa 1930
circa 1929
1929
1920-1929
1920-1929
circa 1920-1929
1920-1929
15/7/27
1929
1920-1929
1929
1765-1780
1771-1800
1915-1925
1930-1950
2001
1918
circa 1956
1921-1926
1910-1916
1875-1885
1916-1926