Rietz slide rule

Made:
1970-1975 in England

W.H. Smith Rietz (10-inch) slide rule by Blundell Harling Limited with plastic case

Details

Category:
Mathematics
Object Number:
1998-441
Materials:
complete and plastic
type:
slide rule
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • calculator
credit:
Mr J.C. Michie