dalton_01408_img_2236_pieni Dalton #178529 Dalton #P1000154

Dalton Adding Machine Co., USA

The designer of Dalton calculator was Hubert Hopkins. The machine was introduced in 1902. The company was incorporated into Burroughs Corporation (see Burroughs).  The early calculators were a mechanical wonder. They consisted of 2000-3000 thousand parts. Only a few hundred were produced yearly.