Details
An early-mid 20th-Century French signal scope signed J. Vial, Sucr/Bardou Paris
heavily constructed in brass, the main body divided into two sections, the rear with electric connections to bulb behind hand operated shutter to front section with bull's-eye condensing lens and hinged access panels to both sections, the front with makers signature, the rear with plaque reading Grupo de Defese/Submarine de Costa/Oficine Geral/Paço d'Arcos, three draw sighting telescope mounted to top, the whole mounted on adjustable swivel base with calibrations for linear tracking and vertical adjustment -- 41¼in. 105cm.) long extended; 17½in. (44.5cm.) high
See illustration
heavily constructed in brass, the main body divided into two sections, the rear with electric connections to bulb behind hand operated shutter to front section with bull's-eye condensing lens and hinged access panels to both sections, the front with makers signature, the rear with plaque reading Grupo de Defese/Submarine de Costa/Oficine Geral/Paço d'Arcos, three draw sighting telescope mounted to top, the whole mounted on adjustable swivel base with calibrations for linear tracking and vertical adjustment -- 41¼in. 105cm.) long extended; 17½in. (44.5cm.) high
See illustration