Details
A Cuthbertson-type electrostatic plate machine,
with maker's label inscribed LES FILS D'ÉMILE DEYROLLE, 46 rue du Bac, Paris, with friction pads, winding handle and glass insulated conductor ball, on mahogany platform base -- 13¾in. (35cm.) wide; and a galvanometer, with glass dome and three adjustable screw feet to the mahogany plinth base -- 12½in. (31.8cm.) high (2)
with maker's label inscribed LES FILS D'ÉMILE DEYROLLE, 46 rue du Bac, Paris, with friction pads, winding handle and glass insulated conductor ball, on mahogany platform base -- 13¾in. (35cm.) wide; and a galvanometer, with glass dome and three adjustable screw feet to the mahogany plinth base -- 12½in. (31.8cm.) high (2)