John Rabone And Sons Rule - Caliper 1

john rabone rule 1
Our Rating


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.

Rule Markings

"J Rabone And Sons, Birmingham" - found along the edge of the rule.

Manufactured Dates

? - ?

Are There Any Problems / Issues With This Tool?

john rabone rule 1

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.


(i) This review/article may give warning(s) / advisory notes / cautions / guidelines given in good faith, any such information should not be solely relied upon and seen as the exhaustive list of warnings / advisory notes / cautions / guidelines. Refer to good safety practices for the safety of you and others. Refer to good practices for the good health of your tool and property.
(ii) The details here are given in good faith, the details are constantly growing and evolving including corrections, there is scope for error and shouldn't be fully relied upon, please confirm any details for yourself by performing additional research from reliable sources.

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