細節
A 19th-century induction coil,
with ivorine label inscribed MARCONI'S WIRELESS TELEGRAPH COMPANY LD, LONDON, No. 184, with ivory, brass and vulcanite fittings, on mahogany plinth base -- 25in. (63.5cm.) wide (defective)
with ivorine label inscribed MARCONI'S WIRELESS TELEGRAPH COMPANY LD, LONDON, No. 184, with ivory, brass and vulcanite fittings, on mahogany plinth base -- 25in. (63.5cm.) wide (defective)