Details
A rare "Improved Arithmometer",
by George Philip & Son, Ltd., by A. Sonnenschein, the case with two sections containing a complete set of rods and squares, the top and underside with manufacturer's label, the wood case -- 4.3/4in. (12cm.) square
See Illustration
by George Philip & Son, Ltd., by A. Sonnenschein, the case with two sections containing a complete set of rods and squares, the top and underside with manufacturer's label, the wood case -- 4.3/4in. (12cm.) square
See Illustration