Blundell Harling

Professional quality triangular Verulam scale rule  Manufactured to the highest standard under controlled conditions Exceptional clarity and legibility Unequalled accuracy and design Material is chosen for its toughness and stability300mm Dividings: 1:1, 1:10x1:2, 1:20, 1:5, ..

Professional quality triangular Verulam scale rule  Manufactured to the highest standard under controlled conditions Exceptional clarity and legibility Unequalled accuracy and design Material is chosen for its toughness and stability300mm Dividings: 1:2.5 x 1:5, 10 x 1:2..

Architect's Trianglular Academy scale rule Accurate and clear  Quality, cost effective material   Colour co-ordinated scales in ten dividings Ideal for educational purposes12" (300mm) Dividings: 1:20x1:25, 1:50x1:75, 1:100x1:125..

Mechanical Engineer's Academy scale rule Accurate and clear  Quality, cost effective material  Ideal for educational purposes12" (300mm) Dividings: 1:1x1:2, 1:5x1:10..

Mechanical Engineer's Verulam scale rule  Professional quality Exceptional clarity and legibility Unequalled accuracy and design Material is chosen for its toughness and stability Imperial and metric dividings  Also available in 6" (150mm) length..

Mechanical Engineer's Verulam scale rule Professional quality Exceptional clarity and legibility Unequalled accuracy and design Material is chosen for its toughness and stability Imperial and metric dividings  Also available in 12" (300mm) length6..

Professional quality triangular Verulam scale rule  Manufactured to the highest standard under controlled conditions Exceptional clarity and legibility Unequalled accuracy and design Material is chosen for its toughness and stability300mm Dividings: 1:20 x 1:25, 1:50 x 1:75, ..

Civil Engineer's Academy scale rule Accurate and clear  Quality, cost effective material  Ideal for educational purposes12" (300mm) Dividings: 1:5, 1:50x1:10, 1:100, 1:20, 1:200x1:500, 1:1000..

Triangular Academy scale rule Accurate and clear  Quality, cost effective material   Colour co-ordinated scales in ten dividings Ideal for educational purposes12" (300mm) Dividings: 1:20 x 1:25 1:33 x 1:50 1:75 x 1:100..

Civil Engineer's Verulam scale rule  Professional quality Exceptional clarity and legibility Unequalled accuracy and design Material is chosen for its toughness and stability Imperial and metric dividings  Also available in 6" (150mm) length..

Civil Engineer's Verulam scale rule Professional quality Exceptional clarity and legibility Unequalled accuracy and design Material is chosen for its toughness and stability Imperial and metric dividings  Also available in 12" (300mm) length6..

Professional quality triangular Verulam scale rule  Manufactured to the highest standard under controlled conditions Exceptional clarity and legibility Unequalled accuracy and design Material is chosen for its toughness and stability300mm Dividings: 1:20 x 1:25, 1:33 x 1..