Carpenter's sliding joint-rule by I Trafford
1772
1772
1659
1890-1909
1680-1699
1780-1790
1855-1865
1875-1885
1698-1703
1900-1920
1900-1920
1900-1920
1900-1920
1798-1803
1861-1910
1697-1728
1915-1925
1885-1895
1910
1885-1895
1782-1789
1900-1920
1900-1920
1752
1900
Unknown