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No 43 Verulam Ordnance Scale Rule 12 Inch (300mm)

  • Ordnance 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: 1:500x1:1250, 1:2500x1:10560 (6"=1 mile)