No.43 Verulam 150mm oval scale ruler:
Made from white ABS plastic
Scales: side 1 – 1:500 & 1:1250 side 2 – 1:25 000 & 1:10 560
The overall dimensions of the ruler are 169mm x 35mm and the scales go up to 150mm
UK manufactured for reliable accuracy.
Supplied in a re-usable clear plastic sleeve.