细节
A small Wimshurst electrostatic plate machine,
9½in. (24cm.) wide; an electro-medical shock machine; a brass station pointer by Troughton & Simms in mahogany acse 19 1/8in. (48.6cm.) wide labelled H.M.S. Dryad; and a water-lens in box (4)
9½in. (24cm.) wide; an electro-medical shock machine; a brass station pointer by Troughton & Simms in mahogany acse 19 1/8in. (48.6cm.) wide labelled H.M.S. Dryad; and a water-lens in box (4)