No 46 Verulam Electrical/Chemical Engineers Scale Rule 6″ (150mm)

• Electrical/Chemical 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

6″ (300mm) Dividings: 1:25 x 1:330
1:75, 1:150 x 1:125, 1:250