Scale / Protractor

2012/010

Rectangular 6 in scale / protractor in ivorine

c.1930

Description

Rectangular 6 in scale / protractor in ivorine with UK military broad arrow insignia.

Some of these scale / protractors were made with a metal core and this could affect compass bearings. This example has no metal core. The scales on one side, from top to bottom are: yards 1 inch = 1 mile; yards ¼ inch = 1 mile; miles ¼ inch = 1 mile; miles ¼ inch = 1 mile; yards 1:20,000; metres ¼ inch = 1 mile; metres 1 inch = 1 mile. On the other side below the protractor scales are: metres 1:80,000; metres 1:25,000; miles 1:250,000; yards 1:250,000; yards 1:50,000; yards 1:25,000.

Additional information

Acquisition Number

2012/010

Item Type

Short Description

Rectangular 6 in scale / protractor in ivorine

Manufactured by

Date of Manufacture

c.1930

Sub-items

None

Supporting Items

None

Makers Number

None

Marks

"A.B. ^ W10 VC. 1380. & PROTRACTOR, RECTANGULAR, 6 INCH, "A" MK. IV."

Dimensions (mm)

151 x 51 x 1

Donor

Date Donated

November 2012

Materials

Ivorine

Condition

Good

Display Location