SOLD 3 Rabone Chesterman Contraction Rules
Three different scale contraction rules made by Rabone Chesterman includes:
1 x contraction rule marked No B6 ContN 1/120 and ContN 1/192, marked out in inches. Reverse side reads ContN 1/120 and 1/190 and is marked out in mille meters. This rule measures 25 1/2" long overall.
The second rule is marked No B2 ContN 1/38 and 1/48, the reverse sides reads ContN 1/77 and 1/96, both sides are marked out in inches up to 25” long overall.
The third rule’s marked ContN 1/70 and 1/50, reverse side reads ContN 1/100 and 1/90, both side of this contraction rule are marked out in mille meters. Rule measures 21” long overall.
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