A scarce Edward PRESTON 4 foot 4 fold coachmakers rule.

These seldom seen 4 foot rules were described in the catalogue as 'for COACHMAKERS and MOTOR BODY BUILDERS'.

Marked 'E PRESTON & SONS BIRM ENG'.

Divided into eighths, tenths, twelfths and sixteenths on the inside.

Additional scales for quarters, thirds and halves.

Arched main joint with steel plate, there is a hairline crack to one side of the joint however all appears firm and secure, please see close-up image.

Brass edge plates to the small joints, brass pins holes and brass tips.

Brass pin holes, brass and steel small joints.

There are four brass locating pins plus holes midway on each leg where another pair of pins may have once been, please see close-up images.

A few minor knocks and scratches plus some staining patches.

Previous owner's stamps 'F.S.BROWN'.

An uncommon antique boxwood rule.