M McCormick, George, 97 Machiasport Railroad, 69 Mad River and Lake Erie Railroad, 83 _Martin Van Buren_, locomotive, 47, 48 Matthew, David, 28, 32 _Mazeppa_, locomotive, 48 _Memnon_, locomotive, 71, 72, 73, 74 Meridian, Brookhaven and Natchez Railroad, 56 Mexican National Railways, 63 Michigan Central Railroad, 53, 55 Midgeholme Railway, 80 _Mississippi_, locomotive, 55, 56, 57 Mississippi Valley and Ship Island Railroad, 56 Mohawk and Hudson Rail Road Co., 32, 38 Morgan, Peyton L., 36 Mount Clare shops, 96 Mount Clare station, 9, 47 Museum of Science and Industry, 10, 12, 24, 55 N Nashua and Lowell Railroad, 69 Nashville, Chattanooga & St. Louis Railway, 85 Natchez & Hamburg R. R., 57 _Neversink_, locomotive, 61 New Castle Manufacturing Co., 66, 71 New Jersey Railroad and Transportation Co., 83 New York Central and Hudson River Railroad Co., 33, 35, 85, 87 New York Central System, 35, 87, 88, 94, 99, 100, 102 New York, New Haven and Hartford Railroad Co., 98 New York World’s Fair, 12, 21, 22, 31, 35, 44, 46, 59 Niagara, ship, 27 _No. 2_, locomotive, 96 _No. 7_, locomotive, 53 _No. 13_, locomotive, 58 _No. 146_, locomotive, 91 _No. 302_, locomotive, 92 _No. 903_, locomotive, 89 _No. 999_, locomotive, 87, 88 _No. 1173_, locomotive, 94 _No. 4000-4001_, locomotive, 102 _No. 4410_, locomotive, 97 _No. 5127_, locomotive, 92 _No. 5340_, locomotive, 96 _No. 5429_, locomotive, 99, 100 _No. 6200_, locomotive, 101 Norris, William, 58, 59, 64 O Ohio State Archaeological and Historical Society, 10 _Old Ironsides_, locomotive, 80, 81 P Parsons, W. Howard R., 94 _Pawnee_, locomotive class, 68 Pennsylvania Railroad Co., 12, 38, 39, 42, 43, 44, 92, 93, 101 Pennsylvania Station, 12 Pen-y-darran Iron Works, 77 Peoples’ Railway, 67 _Peoples’ Railway No. 3_, locomotive, 67, 68, 69 Philadelphia and Reading Rail Road Co., 60, 61, 66, 67, 68, 72 Philadelphia, Germantown and Norristown Rail-Road Co., 81 Philadelphia Sesqui-Centennial International Exposition, 22 _Phoenix_, locomotive, 29 _Pioneer_, locomotive, 53, 54, 55, 59, 73 _Planet_, locomotive class, 81 Poore, Mrs. Townsend, 19 Proprietors of Locks and Canals on Merrimack River, 66 Prospect Hill Cemetery, 47 R Rainhill Trials, 24, 79, 80 Rayne and Burn, 64 Reading Co., 67, 68 Reading Terminal, 62 Redwood Library, 29, 30 Reeder, Charles, 47 Robinson, Moncure, 66 _Rocket_, locomotive (Braithwaite’s), 60, 61, 62, 67 _Rocket_, locomotive (Stephenson’s), 9, 79, 80 Rogers, Ketchum & Grosvenor, 83, 85 Rogers, Thomas, 84 Rounds, E. E., 70 Royal Blue, train, 96 Russell, Frank E., 97