Field of the Telephone. Carbonic Acid Fire Extinguisher. A Papier Bache Floor Covering. 0-4p. Hudson's Bay Route to Europe. Natural Gas. Steel Bridge in South Africa. Automatic Car Couplers. The American Exhibition London 1886., scientific american, 1885-01-10

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Field of the Telephone. Carbonic Acid Fire Extinguisher. A Papier Bache Floor Covering. 0-4p. Hudson's Bay Route to Europe. Natural Gas. Steel Bridge in South Africa. Automatic Car Couplers. The American Exhibition London 1886., scientific american, 1885-01-10

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