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No 45 Verulam B RIBA Architects Scale Rule 12 Inch (300mm)

  • 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 
  • Also available in 6" (150mm) length

12" (300mm) Dividings: 1:5x1:10, 1:20 METRIC TO IMPERIAL, 1:50x1:100 (Figured ft) 'B'