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Scientific American, Vol. 43, No. 2 (1880) (1880)
leaf 4
servoir the com- offices, courts, etc., of Paris, are pressed air is conducted into a provided with the pneumatic second reservoir, in which its clock; and public pillar or street pressure is regulated at seven clocks, which are illuminated tenths of an atmosphere by < at night, have been erected… … munication between J and N. The compressed air is also ‘ Mr. Charles A. Read, of used to wind up the weights Bridgeport, Conn., has pa- of the clockwork, by means tented an improved water of the cylinders, ©, and meter and motor, which is so levers, Anand B, as shown in constructed as to run with…Internet Archive · Public domain (published before 1931). Free to use for anything.
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