Compound — (Continued) gas engine, §11, p26. gas-engine cycle, §11, p29. Compounds in crude oil, §10, p27. Compressed-air starters, §14, p44. air, Starting gas engines by, §14, p33. Compression, Adiabatic expansion and, §9, p44. curve, Adiabatic, §9, p46. curve. Isothermal, §9, p44. Isothermal expansion and, §9, p42. of gases, Expansion and, §9, p42. space, Definition of, §11, p4. Stroke, §11, ppl3, 18. Conduction of heat, §9, p9. Conical-roller automobile bearings, §16, p33. -roller bearings, §16, p31. Connecting-rods, §15, pl8. -rods, Box-end, §15, pl8. -rods, Marine type, §15, pl8. Conservation of energy, Law of the, §9, p37. Continuous-feed lubrication, §16, p7. -feed lubricators, Classification of, §16, p7. Convection of heat, §9, p9. Conversion of Fahrenheit to Centigrade tem- peratures, §9, p7. of heat into work, §11, p4. Cotters, Spring, §15, p39. Crank-cases, §15, pl3. / -pin lubricators, §16, p6. -shafts, §15, p20. Crude oil, Compounds in, §10, p27. oils, §10, p28. Cubic expansion, §9, pl3. Cure of hot bearings, Causes and, §16, p46. Cut bearing, Refitting a, §16, p45. bearings, Graphite for, §16, p37. Cycle, Automatic cut-off gas-engine, §11, p31. Compound gas-engine, §11, p29. Diesel, §11, pp22, 25. Graphic representation of four-stroke, §11 pl3. Operations of four-stroke, §11, pi 8. Operations of two-stroke, §11, p38. Variations of four-stroke, §11, p25. Variations of two-stroke, §11, p40. Cycles, Definition of, §11, pl2. Cylinder lubricators, §16, pl8. of four-cycle engine, §15, p8. oil, §16, p20. Ports in two-cycle engine, §15, p6. with head and jacket in one casting, Gas- engine, §15, pi. with separate head, Gas-engine, §15, p5. Work in gas-engine, §11, p8. Cylinders, Gas-engine, §13, pi. Dalton's laws, §9, p29. Diagram, Pressure- volume, §11, plO. Diesel cycle, §11, pp22, 25. oil engine, American, §14, p34. Dissociation, §10, pl6. Distillates, Order of, §10, p23. Refining the, §10, p25. Distillation, Fractional, §10, p23. of petroleum, §10, p22. Double-acting gas engine, Definition of, §11, P2. -acting gas engines, Horizontal two-cycle, §14, pi. -cylinder horizontal opposed automobile engines, §12, pl3. -cylinder vertical automobile engines, §12, pl5. Ebullition and vaporization, §9, p26. Eccentric, Ratchet, §15, p31. Eccentrics, §15, p30. Effect of overloading engines, §16, p54. Effective pressure, Mean, §11, pll. Effects of heat, §9, pl2. Elements, Chemical, §10, pi. End-plate main bearing, §16, p26. Energy, Law of the conservation of, §9, p37. Engine, American Diesel oil, §14, p34. American Koerting, §14, pi. Atkinson variable-stroke, §11, p26. Automatic cut-off, §11, p29. Automobile kerosene, §12, p35. Compound gas, §11, p26. cycle, Automatic cut-off, §11, p31. cycle, Compound gas-, §11, p29. cylinder, Gas-, §15, pi. Cylinder of four-cycle, §15, p8. cylinder with head and jacket in one casting, Gas, §15, pi. cylinder with separate head, Gas, §15, p5 Definition of alcohol, §11, p4. Definition of double-acting gas, §11, p2. Definition of gasoline, §11, p3. Definition of internal-combustion, §11, pi. Definition of oil, §11, p4. Definition of single-acting gas, §11, p2. Four-cylinder two-cycle gasoline automo- bile, §12, p43. Koerting two-cycle, §11, p42. Marine kerosene, §12, p37. mufflers, Gas-, §14, p49. Operation of two-cycle, §11, p32. Principles of operation of four-cycle gas, §11, Pl2. Single-acting two-cycle oil, §14, pll.