. Bulletin - United States National Museum. Science. muffler and is controlled by a lever at the front of the driver's seat. The muffler was not always on the car; it was often removed for racing, as shown in figure 65. A crank throw on the forward projection of the crank- shaft drives a reciprocating-piston air pump (figs. 70 and 71), which supplied compressed air for the unique system of controlling the engine speed. When the engine was run- ning, compressed air was supplied to the lower ends of small cylinders enclosing pistons on the stems of the four intake valves. The air pressure oppose
. Bulletin - United States National Museum. Science. muffler and is controlled by a lever at the front of the driver's seat. The muffler was not always on the car; it was often removed for racing, as shown in figure 65. A crank throw on the forward projection of the crank- shaft drives a reciprocating-piston air pump (figs. 70 and 71), which supplied compressed air for the unique system of controlling the engine speed. When the engine was run- ning, compressed air was supplied to the lower ends of small cylinders enclosing pistons on the stems of the four intake valves. The air pressure opposed the motion of the valves as they were being drawn open by engine suc- tion. Two relief valves, one a foot plunger, the other a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
