Locke Adder calculating device

Made:: 1901-1910 in Kensett

"Locke adder" calculating device patented 1901 and made by C.E. Locke Manufacturing Company, Kensett, Iowa, in original box (distressed) with instruction manual

Details

Category:: Mathematics

Object Number:: 1990-429

type:: adding machine

credit:: Lanz, A.

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Parts

"Locke adder" calculating device, patented 1901

"Locke adder" calculating device patented 1901 and made by C.E. Locke Manufacturing Company, Kensett, Iowa.

Measurements:: overall: 15 mm x 275 mm x 100 mm, 0.3 kg

Materials:: tin (metal) , felt and paint

Object Number:: 1990-429 Pt1

type:: adding machine

Box with instruction manual for "Locke adder"

Original box (distressed) with instruction manual for"Locke adder" calculating device patented 1901 and made by C.E. Locke Manufacturing Company, Kensett, Iowa.