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J.W. RAY & CO.; LIVERPOOL
细节
A brass engine telegraph
J.W. Ray & Co.; Liverpool
a tapered cylindrical base with a double handle, light, glass face plates with engine commands and working signal bell.
44½ x 17¾ in. (113 x 45.1 cm.) height x diameter
J.W. Ray & Co.; Liverpool
a tapered cylindrical base with a double handle, light, glass face plates with engine commands and working signal bell.
44½ x 17¾ in. (113 x 45.1 cm.) height x diameter