No.809 Verulam 12" 300mm oval scale rule with imperial architects scales - Product No. 0313.73

RIBA approved (Royal Institute of British Architects)

12" Imperial Dividings.

Scales: 10ft = 1"   20ft = 1"   30ft = 1"    40ft = 1"

UK manufactured for reliable accuracy.

Supplied in a pvc plastic sleeve