Details
A small dial telegraph,
signed on the paper dial Knorr, with two spring movements each released by a pair of electro-magnets and operating respectively the dial pointer and an alarm bell, with shaped and decoratively-pierced plates, on walnut base with turned feet -- 6in. (15cm.) square, late 19th century
signed on the paper dial Knorr, with two spring movements each released by a pair of electro-magnets and operating respectively the dial pointer and an alarm bell, with shaped and decoratively-pierced plates, on walnut base with turned feet -- 6in. (15cm.) square, late 19th century