Reviewed By: I.Ball
Category: Old Rules
Manufacturer: John Rabone And Sons
Tool Type: Rule
Model No: caliper 1
This John Rabone And Sons small caliper rule weighs in at 3 inches long.
The rule is not marked with a model number so we have given it the reference number 'caliper 1'.
This caliper rule is made from boxwood and fitted with a brass caliper rule and brass edge fittings.
The boxwood part of the rule is marked out in inches with 1/8 inch increments on the front side. The rear side is marked out on one edge in inches with 1/16 inch increments, the other edge is marked out in inches with 1/8 inch increments.
The sliding brass caliper rule is marked with measurements in inches with various incremental measurements.
The caliper feature is ideal for measuring the thickness of on an object; traditionally rope or wire.
"J Rabone And Sons, Birmingham" - found along the edge of the rule.
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If the rule hasn't been looked after or if the rule has been heavily used, the
numbers can be worn/faded.
The brass sliding caliper can sometimes be seized up when the tool hasn't been used for a long time.
Sometimes these rules have paint, ink or oil on them which can obscure the numbers.
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