Carpenter's slide rule
1861-1910
One foot folding carpenter's rule, brass, c. 1700
1698-1703
Carpenter's sliding joint-rule by I Trafford
1772
Carpenter's joint rule
1659
Folding 1 metre wood measure, marked with Rheinland inches
Folding measure, one metre
Double folding boxwood foot rule, calliper with vernier scale one end
1900-1920
Single folding boxwood six inch rule
1900-1920
Single folding boxwood metre rule
1900-1920
Brass folding graduated conversion rule
1798-1803
Single folding boxwood foot rule
1900-1920
Folding rule
1680-1699
Folding foot-rule with scales, 1780-1790
1780-1790
Folding measure, one metre
Brass fourfold calliper rule
Triangular wooden rule with plumb line
Folding ruler from neurosurigcal instrument bag
Folding silver ruler, signed 'I. Rowley feci" and wooden shagreen-covered case
1697-1728
Folding rule in canvas case
1890-1909
Folding Rule
1875-1885
2-Foot Rule
1855-1865
Board of Trade standard folding metre
Fourfold boxwood rule
Folding measure, one metre
Folding 1 metre wood measure, marked with Baden inches
Folding measure, one metre
Folding measure, "Norge" inches and centimetres
folding rule
1782-1789
Double folding boxwood yard rule
1900-1920
Double folding boxwood yard rule
1900-1920
Folding measure, one metre
Folding Rule
1910
Folding/Slide Rule
1885-1895
Folding Rule
1885-1895
Three-foot folding rule with logarithmic slide
1752
Carpenter's folding rule, 2 ft, c. 1900
1900
Folding type carpenter's measuring rule.
Unknown