Folding rule

Made:
1875-1885 in United Kingdom
Folding Rule

Folding Rule
Science Museum Group
© The Board of Trustees of the Science Musuem

Folding rule by Edward Driver

Details

Category:
Mathematics
Object Number:
Y1994.45
Materials:
box (wood) and brass (copper, zinc alloy)
Measurements:
open: 7 mm x 609 mm x 458 mm,
closed: 7 mm x 609 mm x 54 mm,
type:
folding rule
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • ruler - measuring device