Details
An early Comptometer,
by Felt & Tarrant, Chicago, No.3998, in mahogany case with patent dates to 1896, eight rows of nine keys and nine digital displays -- 14¼in. (36.5cm.) long
by Felt & Tarrant, Chicago, No.3998, in mahogany case with patent dates to 1896, eight rows of nine keys and nine digital displays -- 14¼in. (36.5cm.) long