Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 425
the Greene cut off on thesteam, and the toggle motion on the exhaust valves, gives 412 Steam Engineering the quickest action at the right time to both. A minimumlap is also obtained with the aid of the gear. It is there-fore very important that the movements of the valve andgear be thoroughly… … Fig. 148 To the plug is attached the head that holds the workingparts of the valve mechanism. The arrangement of the valves beneath the cylinder asin the Wheelock system, allows short ports, small clearancevolume, and a free discharge for the water of condensationthrough the exhaust. The throttle…
