Details
An Apps' Patent induction coil
by Newton & Co., Fleet St., No. 560N, with ebonite enclosed coil and mahogany base with instruction label beneath -- 17½in. (64.5cm.) wide, late 19th century
by Newton & Co., Fleet St., No. 560N, with ebonite enclosed coil and mahogany base with instruction label beneath -- 17½in. (64.5cm.) wide, late 19th century