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LOCKE ADDER

Inventor: Clarence E. LOCKE
Invention date: 1901
Manufacturing date: 1901 onwards
Manufacturing location: Kensett, Iowa, USA
Manufacturer: C. E. Locke Mfg. Co.
Dimensions: L 13 H 6 P 1
Reference Number: Unknown

LOCKE ADDER

Pinwheel Multiplier