No 45 Verulam B RIBA Architects Scale Rule

• RIBA ‘B’ Architect’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

1:5 x 1:10, 1:20 (METRIC to IMPERIAL)
1:50 x 1:100 (Figured ft) ‘B’