1874 Print Pulsometer Steam-Boiler Vintage Machinery C. Henry Hall MAB1 DC Keywords specific to this image:

Keywords specific to this image: Factories

Keywords specific to this image: Camargue

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

archaeologist

suspenders

1874 Print Pulsometer Steam-Boiler Vintage Machinery C. Henry Hall MAB1 DC Keywords specific to this image:This 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