Business machine calculation 2v. v1. adding machines and printing calculators. v2. Rotary calculators /

Lignende værker

• Adding And Calculating Machines
  af: Mercer, Lawrence G
  Udgivet: (1965)
• Calculating instruments and machines /
  af: Hartree, Douglas R.
  Udgivet: (1953)
• Rotary soil working machines: construction, calculation and design
  af: Efimov, D.N
  Udgivet: (1981)
• Adding and calculating machines/3e
  Udgivet: (1965)
• Theory, construction and calculations of agricultural machines .V.1
  af: Boso, E S
  Udgivet: (1987)