細節
An electro-magneto shock machine,
the brass frame with double coil, leather driving band, various accessories, the lower drawer, with ivory pull, containing electrodes, in mahogany case -- 10in. (26.7cm.) wide
the brass frame with double coil, leather driving band, various accessories, the lower drawer, with ivory pull, containing electrodes, in mahogany case -- 10in. (26.7cm.) wide