Practical hand book of gas, oil and steam engines, stationary, marine, traction; gas burners, oil burners, etc.; farm, traction, automobile, locomotive; a simple, practical and comprehensive book on the construction, operation and repair of all kinds of engines (1916)
Rathbun, John B. [from old catalog] · Chicago, Charles C. Thompson co · leaf 246
th the threads on the metal sleeve E. The plug may beremoved from the cylinder for examination without disturbing GAS, OIL AND STEAM ENGINES 241 the adjustment of the electrode and porcelains by unscrewingit at R. Allowing the current to jump from the electrode to the cyl-inder wall via the metal… … Fig. 98. Cross-Section of Typical Spark Plug. By unscrewing the threaded metal bushing F it is possibleto examine the condition of the porcelain rod C at the pointwhere it is exposed to the heat of the cylinder. This inspectioncan be made without disturbing the packed joints at L or Q. In the high…
Internal combustion engines · Traction-engines
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