Metric Conversion Calculator

Description

A 1969 metric conversion calculator manufactured by M.H. Mear & Co. Huddersfield. Converts feet and inches into millimetres by rotation of a dial with an engraved cursor. By placing the cursor onto the required measurement, the equivalent metric reading will be listed below. The divice is made of acrylic and is in its original PVC case.
Designers & Manufacturers
Designer (Person)
Manufacturer

Inscriptions

engraved: "Feet & Inches to Milliletres Metric Conversion Calculator" (front)
engraved: "Copyright 1969. Made in England by M.H. Mear & Co. Huddersfield" (reverse)

Object number

AIBDC : 008611

Date

1969

Country

Method

Dimensions
Depth
3mm
Diameter
146mm

Colour

calculator
dial
type
marker