Pattern Makers Step Pattern Boxwood Contraction Lath
A scarce 2 foot patternmakers' step pattern boxwood contraction rule or lath for brass and iron.
Contraction rules are also sometimes referred to as shrink rules.
No maker's mark but similar to the No.740 combination contraction lath offered by Edward PRESTON of Birmingham.
Hand stamped 'BRASS CONTRACTION 2 10 TO THE FOOT' on one side with 'IRON CONTRACTION 1 10 TO THE FOOT' on the other.
The brass tipped stepped end allows for the different lengths of the two scales.
A few minor surface knocks, scratches and staining spots.
Please see the close-up images to appreciate this rule