INDEX 



199 



Philadelphia Electric Co., 18, 23. 



Philadelphia waterworks, 34, 106, 108. 



Philo of Byzantium, water wheel, 14. 



Pickering, J., chain hoist, 1870, 4. 



Pickering, T. R., governor, 85. 



Pickering Governor Co., donor, 85 ; gov- 

 ernor, 1931, 86. 



Pitts, W. R., and G. K. Gluyas, con- 

 denser, 1872, 88. 



Planetary gear, 103. 



Piatt, J., rotary steam engine, 1862, 56. 



Pococke, Dr., 32. 



Polacca, steamboat, 1798, 34. 



Pomeroy, O. C, belt lacing, 103. 



Poncelet, 6, 11 ; water wheel, 15 ; hy- 

 draulic turbine, 16, 18. 



Porta, 24. 



Porter. C. T., governor, 1858, 81. 



Portland Railway Light & Power Co., 18. 



Powdered fuel. {See Pulverized fuel.) 



Powel, heirs of Samuel, donors, 157. 



Prairie windmill, 12. 



Pratt & Whitney "Wasp" engine, 165. 



Prayer wheel, 7. 



Pressure cooker, Papin, 27. 



Princeton University, 156. 



Pulley, mechanical element, 2, 3. 



Pulverized fuel system, Cockerell, 1876, 

 121. 



Pump, rotary water, Clow, 1856, 142. 



Pump, sand, Eads, 1869, 142. 



Pump, ship's combination, 1864, 134- 

 135. 



Pumping engine, steam, Corliss, 1870, 

 75 ; 1879, 78. 



Pumping unit, automatic steam, Maxim, 

 1874, 50. 



Pumps, steam. (See Steam pumps.) 



Kank, L., antifriction journal bearing, 



103. 

 Raukine, animal power tests, 6. 

 Ray Oil Burner Co., donor, 123. 

 Ray, W. R., oil burner, 1914, 123. 

 Read, N., boiler, 106 ; steam engine, 33. 

 Refrigerating machines : Audiffren, 



1913, 183 ; domestic electric unit, c. 



1918, 184; Frost-maker, c. 1914, 184; 



Gorrie, 1851, 183. 

 Reid, J., governor, 1879, 85. 

 Reily, H., and P. Waldo, rotary steam 



engine, 1875, 57. 

 Reithman, internal-combustion engine, 



145. 

 Reversing mechanism, Moebius, 103. 

 Rexford. P., fire grate, 1883, 123. 

 Rhodes, W. K., boiler, 1869, 111. 

 Richards, C. B., indicators, 89 ; c. 1867, 



92, 93. 

 Richards, T., balanced valve, T^^HH. 68 

 Rider, A. K., hot-air engine, 1S71, ISO. 

 Rider-Ericsson Engine Co., 181. 

 Ritty, S., boiler, 1875, 112. 

 Roach, John V., engine builder, .11. 

 Robeson & Sons, hydraulic turbine at, 



17. 



Robinson, J., and J. Gresham, injector, 



1866, 128. 

 Rocket, locomotive, boiler of, 106. 

 Roebling, J. A., safety steam gauge, 



1842, 119. 

 Rogers, T., cut-off, 71. 

 Roller gear, Stokes and McGlinchley, 



103. 

 Roosevelt, Nicholas, 33-36. 

 Roosevelt, Smallman, and Staudinger, 



boiler, 108. 

 Rope drives, 103. 

 Roper, hot-air engine, 176. 

 Rotary water engine, 21. 

 Rotary water pump. Clow, 1856, 142. 

 Rourke, J., Sr., donor, 42. 

 Rumsey, J., 33 ; boiler, 37, 107, 114. 

 Rumsey, T., 37. 

 Rush, J., steam engine builder, 35. 



Safety gauges. (See Gauge, steam, and 

 Safety valves.) 



Safety valves, boiler. Frick, 18.58, 120; 

 Papin, c. 1690, 27; Roebling. 1842, 

 119; Stevens, 1804, 109; 1803-25, 110; 

 1825, 119. 



Salisbury, S. C, hydrocarbon burner, 

 1879, 122. 



San Francisquito No. 2 hydroelectric 

 generating station. IS. 



Sand pump, Ead.s. 1869, 142. 



Sangyl, George, 40. 



Sargeant. C, belt hook, 102. 



Savery, T., 25 ; boilers, 104 ; engine, 1698, 

 27, 59. 



Sawyer, E. O., belt coupling, 103. 



Scheidler, R., and J. H. McNamar, 

 throttle valve, 1875, 98. 



Schleicher, Schuni & Co.. 156. 



Schmidt, G., gas engine, 145. 



Schofield, F. F., rotary steam engine, 

 1876, 57. 



Schuhknecht, A., belt fastener, 103. 



Schutte, L., Injector, 131. 



Schuyler, Col. J., 32, 36. 



Schuyler, P., 33. 



Schwartz hot-air engine, 176. 



Science Museum, London, 86, 90, 107. 



Sciple, H. M., steam engine, 1880, 52. 



Scotield, S. C, universal joint, 1870, 

 103. 



Screw, mechanical element, 2. 



Secor, T. F., 36. 



Selden, G.. automobile patent, 147. 



Sellers, William, Giffard-Sellers injec- 

 tors, 186.3, 186.5, 12S; 1868, 129; steam 

 engine. 1872, 49. 



Sellers, William, & Co.. Inc., donors, 

 129-131 : inj.vtors, 1876, 129 : ia«i7- 

 1927. 130; 1900-1927, 131; 1925. 132; 

 introduced Giffard injector, 126. 



Separators, centrifugal. (See Centrif- 

 ugal .separators.) 



Sequin, boiler, 106. 



Sewell, W., and A. S. Cameron, steam 

 pump, 1864, 134. 



