Set Square

20525/018

Plastic 90/45/45 degree set quare manufactured by W H Harling

c.1940

SKU: 2025/018 Categories: Recent Acquisitions, All items, Drawing Aids

Description

Plastic 90/45/45 degree set quare manufactured by W H Harling. The contained circles have diameters of 1 and .5 in.

Acquisition Number	2025/018
Item Type	Set square
Short Description	Plastic 90/45/45 degree set quare manufactured by W H Harling
Manufactured by	W H Harling, 117 Moorgate, London
Date of Manufacture	c.1940
Sub-items	None
Supporting Items	None
Makers Number	None
Marks	None
Dimensions (mm)	210 x 149 x 149
Donor	Professor Roland Paxton MBE PhD DEng FRSE CEng FICE, Edinburgh
Date Donated	October 2025
Materials	Plastic
Condition	Fair (some yellowing)
Display Location	text