Details
A Millionär calculator
by Hans W. Egli.....Zürich, no. 4006, in brass and aluminium case with instructions in lid and 1895 Patent dates -- 21 5/8in. (55cm.) wide
by Hans W. Egli.....Zürich, no. 4006, in brass and aluminium case with instructions in lid and 1895 Patent dates -- 21 5/8in. (55cm.) wide