Slide Rule

2010/003

Fearns circular slide rule (c.1967)

SKU: 2010/003 Categories: ,

Description

Fearns circular slide rule in plastic with metal screw in centre and conversion factors on reverse (c.1967).

The rule is in three parts: the stock, transparent slide and cursor. The stock has the scales marked in blue. The scale on the transparent slide is marked in red. The cursor is black.

Additional information

Acquisition Number

2010/003

Item Type

Short Description

Fearns circular slide rule

Manufactured by

Date of Manufacture

c. 1967

Sub-items

Black plastic case and instruction leaflet. The case has "CIRCULAR SLIDE RULE" printed in gold on the front.

Supporting Items

None

Makers Number

None

Marks

"Made by Fearns Calculators, Oakfield Drive, Whickham, Newcastle-U-Tyne"

Dimensions (mm)

128 (dia) x 3

Donor

Date Donated

October 2010

Materials

Plastic

Condition

Good

Display Location