1874 Print Pulsometer Steam-Boiler Vintage Machinery C. Henry Hall MAB1 Asia This is an original 1876

This is an original 1876 black and white in-text wood engraving of the Pantheon as it appeared before the two towers

This is an original 1928 black and white print ad for the United States Shipping Board promoting 23 lines and 275 ships frp

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1874 Print Pulsometer Steam-Boiler Vintage Machinery C. Henry Hall MAB1 Asia This is an original 1876This is an original 1874 halftone print of a Pulsometer in operation at distance from Steam Boiler, showing the practical arrangements of connection, manufactured by C. Henry Hall & Company, 20 Cortlandt Street, New York. This invention is a steam pump without cylinders, pistons, pistons rods, stuffing boxes, glands, eccentrics, slide valves, cranks or flywheels; consequently in such a pump there is no wearing out of pistons, rods, valves, etc., and