Filter CategoriesFilter - All Add to basket£5.49 ex vatNo 3 Academy Architects Scale Rule 12" (300mm) Add to basket£15.58 ex vatImperial Verulam Architects Triangular Scale Rule 12" / 300mm Add to basket£12.49 ex vatNo 46 Verulam Electrical/Chemical Engineers Scale Rule 12" (300mm) Add to basket£5.49 ex vatNo 2 Academy Civil Engineers Scale Rule 12" (300mm) Add to basket£14.16 ex vatNo 1 Verulam Architects Triangular Scale Rule 12" / 300mm Add to basket£15.58 ex vatNo 2 Verulam Engineers Triangular Scale Rule 12" / 300mm Add to basket£14.16 ex vatNo 0 Verulam Architects Engineers Triangular Scale Rule 12" / 300mm Add to basket£9.16 ex vatNo 46 Verulam Electrical/Chemical Engineers Scale Rule 6" (150mm) Select options£9.16 – £12.49 ex vatNo 44 Verulam A RIBA Architects Scale Rule Add to basket£4.99 ex vatNo 1 Academy Mechanical Engineers Scale Rule 12" (300mm)