. Official proceedings . stage. Fig. 6 practically coincides with Herr Drawesconclusion, omitting the separation of the cylinder at the cen-ter, which is allowable in small frames to which the illustrationapplies. This feature is, however, necessary in large cylinders. The cylinders are supported through the main frame and dis-tance piece, and thereby relieved of any external load—anotherimportant count. Inlet and exhaust valves are located at eachcombustion chamber, diametrically opposite, allowing the great-est latitude for scavenging-, avoiding the dilution of the incomingcharge. The wide s
. Official proceedings . stage. Fig. 6 practically coincides with Herr Drawesconclusion, omitting the separation of the cylinder at the cen-ter, which is allowable in small frames to which the illustrationapplies. This feature is, however, necessary in large cylinders. The cylinders are supported through the main frame and dis-tance piece, and thereby relieved of any external load—anotherimportant count. Inlet and exhaust valves are located at eachcombustion chamber, diametrically opposite, allowing the great-est latitude for scavenging-, avoiding the dilution of the incomingcharge. The wide separation of the two valves leaves the incom-ing charge unaffected by the heated region surrounding the ex-haust valve. Thus the capacity of the engine will not be dimin-ished. Unpermissable length would be entailed to essay the re-maining details, which would only serve to emphasize the degreeof skill and workmanship necessarily centered about a dependable Some Pertinenl Features Relating to Gas Power. 21 ! i— S-i-. Fig. 12. Recording Graphic Charts showing varying load, served bya 750 B. H. P. Gas Engine, unit provider of uniform voltage regu-lation. Standard Underground Cable Co., Perth Amboy, N. J. 22 Proceedings Railway Club of Pittsburgh. design. Production in the shop carries fully as great a responsi-bility, and the required standard of shop efficiency has been ac-quired only through extensive experience in this branch of thework. Regulation—Of the three methods, hit-and-miss, constantquality and variable quantity and variable quality and constant•quantity, which have been used commercially, the secondprinciple only has satisfied the vigorous demands of heavy serv-ice. A large number of engines have been equipped with quality•governing, but this arrangement is giving place to the more sta-ble and simple quality regulation. Again, to ensure the requisite degree of cyclical regularity,the mixture must be controlled directly adjacent to, or above thecombustion ch
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