. American engineer and railroad journal . out removing a screw, pin or bolt,rhe machine will cut either right or left handed, square, V-ihaped or coach threads, and a specially strong claim is madeor accuracy. The design was guided by a desire to renderhe operation so simple that any intelligent boy who can readigures may operate the machine as successfully as a high-priced A new throttle valve by Mr. John S. Chambers, Master Me-chanic of the Central Railroad of New Jersey, at Elizabethport,N. J., has been adopted as standard on that road by Mr. Mc-intosh. It is designed to provide for automa
. American engineer and railroad journal . out removing a screw, pin or bolt,rhe machine will cut either right or left handed, square, V-ihaped or coach threads, and a specially strong claim is madeor accuracy. The design was guided by a desire to renderhe operation so simple that any intelligent boy who can readigures may operate the machine as successfully as a high-priced A new throttle valve by Mr. John S. Chambers, Master Me-chanic of the Central Railroad of New Jersey, at Elizabethport,N. J., has been adopted as standard on that road by Mr. Mc-intosh. It is designed to provide for automatic adjustment ofthe disks of the throttle to provide for differences in the ex-pansion of the throttle casing and the valve itself. With theusual construction, and the valve made in one piece, consider-able difficulty is found in keeping the valves tight. To over-come this Mr. Chambers makes his valve in two parts, shownin the detail views. The upper disk has a sleeve which sur-rounds a corresponding sleeve on the lower disk. The spindle.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
