TELEGRAPH AND TELEPHONE EQUIPMENT
A Claude telegraph relay
Details
A Claude telegraph relay
by J.de Jardin, Paris, No. 7417, with vertical magnet on mahogany base and glazed cover -- 10 1/8in. (25.7cm.) high (2)
by J.de Jardin, Paris, No. 7417, with vertical magnet on mahogany base and glazed cover -- 10 1/8in. (25.7cm.) high (2)