Ohio, railroad building in, 5 

 Ohio and Mississippi Railroad, 109 

 Ohio State Museum, 68 



Pacific Railroad, 58; routes, 85 



Pahii & Robertson, 107 



Panama Railroad, 47, 61, 63, 65, 

 75, 76, 100, 102; executive 

 committee minutes, 77 



Paris, 1 1 9 



Paterson, N. J., 9 



Peale Museum, 8 



Peale-Sellers papers, 47, 95 



Pendleton Shops, 40 



Philadelphia and Columbia Rail- 

 road, 49, 50, 73 



Philadelphia and Reading Rail- 

 road, 1 19 



Pierce, Harkness, and Voorhees, 10 



Pierce, Harkness &; Company, 10 



Pioneer, 23 



Pioneer System, 57, 58 



Planet, 40 



plank-road craze, 57 



Portland locomotive works, 34 



Powell, A. D., 121 



Price, Edwin, 1 1, 35 



Proprietors of the Locks and Canals 

 on the Merrimac River, 23 



Qjiigley, 40 



Railroad Record, 1 18 

 railways, cheap, 56; light, 57 

 Reliance Foundry Company, viii 

 Richardson, John G., 30, 31, 45 

 Rocket, 40 



Rogers, Thomas, 9, 12, 34, 35, 37, 

 107, 128, 140, 141, 145 



Sabine, 1 1 6 



safety-valve: column, 40; standard, 



36 

 Sampson, 49 

 Scowden, T. R., 24 

 Sellers, C, & Company, 50 

 Sellers, Charles, 49, 50 

 Sellers, Coleman (i 781-1834), 48 

 Sellers, Coleman (i 827-1 907), 58, 



61, 89, 94, 98, 102, 139 



Sellers, George Escol, 11, 19, 47, 93, 



100 

 Sellers, Nathan, 48 

 Sellers, William, 99 

 Sellers boiler, 73 

 ^S'. Gebhart, 1 45, 1 46 

 Shawk, Abel, i 7 

 Shield, Francis, 6, 8 

 Sinclair, Angus, 99 

 Smith, Alba F., 105 

 Smith, Charles VV., 94 

 smokebox, 36 

 Snaefell Railway, 89 

 Snead, Collard, and Hughes, suit 



of, 120 

 South Carolina Railroad, 100 

 Southern Pacific, 116 

 Southern Railway, 18 

 Spies, Francis, 84 

 steamboat machinery, 30 

 steam dome, 36, 40 

 steam dummy locomotive, 1 8 

 steam fire engine, i 7 

 Stephens, John L., 76 

 Strader, Jacob, 10, 24 

 sugar mills, 30, 97 

 Swanston, William, 39 

 Swift, Alexander, & Company, 44 



Taunton Manufacturing Co., 34, 



35, 37, 145, 146 

 "T" boiler, 73, 106 

 Thorn, N. E., 95 

 Thyng, L. B., 23 

 Todd, C. H., 63 

 toggle-levers, 53 

 Totten, George M., 75 

 Trautwine, John C, 75, 81, 84, 85, 



88,89^ 

 Trips in the Life of a Locomotive 



Engineer, 131 

 Tull, James, 107 



Union Works, 105 



U.S. Engineers, 85 



U.S. Military Railroads, 43. 44 



U.S. mints, 48 



vahe box, 39 



166 



