![](https://coimages.sciencemuseumgroup.org.uk/10/80/large_thumbnail_pic_1997_7769.jpg)
Brass worksplate, Manning Wardle & Co
1920
1920
1924
1925
1925
1924
1921
1934
1923
1920
1920-1925
1922-1923
1922-1923
1922-1923
1922-1923
circa 1920
2000-100 BCE
1924
1923
1925
circa 1920
1922
1955; 1830
1923
1920-1925
1921
1920
1920
1990-96
1920
1920
1930 (replica); 1834 (original)
1923
1922-1923
circa 1920
1922
1934
1922-1924
1920-1922
1922-1923
1923
1921
1922-1925
1922-1923
1922-1923
1922-1923
1925
1923
1924
1924
1922-1923