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细节
A bridge telegraph by Henschel
the double faced brass head with back-lit glass instruction plates, sprung levers and applied brass plaque inscribed Henschel Coorporation, Amesbury, Massachusetts, mounted on square aluminium pedestal -- 50in. (127cm.) high
See illustration
the double faced brass head with back-lit glass instruction plates, sprung levers and applied brass plaque inscribed Henschel Coorporation, Amesbury, Massachusetts, mounted on square aluminium pedestal -- 50in. (127cm.) high
See illustration