1874 Print Pulsometer Steam-Boiler Vintage Machinery C. Henry Hall MAB1 DC who was most known for

who was most known for his life as the Comte d'Artois (leader of the province in Northern France) before he reigned as King of France and Navarre

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designer and city planner from Munich

This is an original 1916 halftone print of the Italian inventor Luigi Risso's creation of a pair of pontoon floating water shoes for the Italian army to utilize during World War I

1874 Print Pulsometer Steam-Boiler Vintage Machinery C. Henry Hall MAB1 DC who was most known forThis 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