Patterson, Prof. Robert (i 743-1824), 63, 68 n; mint 

 director, 15, 70; supports Evans, 37; and Red- 

 heffer, 79 



Patterson, Robert M. (son of Prof. Robert), 53, 68 n, 

 77, 178; mint director, 70, 71-74 



Peale, Charles Willson, 27 n, 55n, 82, 124, 182; 

 grandfather of GES, xiv; portraits by, xiv, xv, 

 53> 89, 191 ; gold rolling, 15; supports Evans, 37; 

 and Rumford,66; and Redheffer machine, 79,80 



Peale, Edmond, daughter adopted by GES, xvii 



Peale, Franklin, 53, 96, 176, 178; manager of museum, 

 4, 70; to Europe on mint business, 62 and n, 

 68, 70, 76; overhauls melting in mint, 62; early 

 training, 69-70; improves refining, assaying, 

 coining, 71-78, passim; Eckfeldt's opinion of, 

 76; coining press of, 76-77; steam engine, 67 

 (illustr.), 77; balance, 77, 78 (illustr.); marries 

 Eliza Greatrake, 106, 124; with Davis in 

 museum, 182 



Peale, Louisa Stockton, adopted by GES, xvii, xviii 



Peale, Rembrandt, xiv; iog-110, 119 



Peale, Rubens, xiv; lecturer in museum, 16; and Red- 

 heffer, 84 



Peale, Titian, xiv; designs coin, 74, 77; in museum, 182 



Peak's Museum, xiv, 4, 55 n, 176; lectures in, 16, 

 65 (illustr.), 70 and n; Redheffer machine in, 

 79, 81 (illustr.), 84-85; Evans traction engine 

 model, 180, 182-184 



Pearce, Jacob, teacher of GES, 30 



Pennock, Abraham L., 51; and hose, 2, 8 (See also 

 Sellers and Pennock) 



Pennsylvania Central Railroad, 150, 167 



Pennsylvania Railroad, 154 



Pennsylvania works, commenced, 143, 147, 153; 

 map of, 145; description of, 147-148; planes 

 eliminated, 150 (See also Philadelphia & Co- 

 lumbia Railroad; portage railroad) 



Perkins, Jacob, 43, 46, 52, 53 n, 63, 88, 109, 110, 1 1 1, 

 122, 123; on GES, xv; in Philadelphia, 12-27; 

 portrait, 13; tack machine, 13; heat-treatment 

 of steel, 13-15; engraving techniques, 13, 14, 

 17, 28; builds fire engines, 15, 16, 22-25; 

 ship pump, 16, 18, 20, 25 (illustr.); and Murray's 

 capstan, 20-21; steam gun, 27-28, 132; and 

 steam boiler and engine, 26-28, 132; in Adelaide 

 Gallery, 1 31-133; GES opinion of, 133 



Perkins and Bacon (firm), 12, 16 n 



Perkins and Jones (firm), 12, 16 n 



Perkins and Sellers (firm), 15-16, 24; mentioned, 27, 

 43, 6 3 



Perkins, Fairman & Heath (firm), illustr. of engrav- 

 ing by, 1 7 



perpetual motion machine, 79-86 (See also Red- 

 heffer, Charles) 



Peters Island incline (See Philadelphia & Columbia 

 Railroad) 



Phelps and Spafford paper machine, 101, 119 



Philadelphia & Columbia Railroad, 160; route, 147- 

 148; inclined planes on, 148, 150, 151, 155; rail 

 types on, 148, 149, 151; grade crossing 156 

 (illustr.); "Long" locomotive on, 1 90-1 91 (See 

 also locomotive; Pennsylvania works; portage 

 railroad) 



Philadelphia fire companies, 3-8 passim, 44 



Philadelphia Germantown & Norristown Railroad, 



Philadelphia Museum (See under Peak's Museum) 

 Philadelphia navy yard, 12, 21 

 Philadelphia water works, 6, 15, 37-42 passim 

 Phoenix Fire Company, 4, 6, 44 

 Pickering, Timothy, xvi 

 planchets, copper, for pennies, 66 

 planing machine, 116; at Cardington, 74, 160-161; 

 in New York, 74, 160; in Providence, 74 n; 

 of Sharp & Roberts, 1 1 2 

 Plantou, Anthony, 27 n 



portage railroad, engineers of, 143; planned, 147, 

 148; safety on, 152; described, 153-156, 159; 

 roadbed, 157 (illustr.) (See also Philadelphia & 

 Columbia Railroad) 

 Portsmouth, England, block machinery, 108 

 Poulson's American Daily Advertiser, 79 

 press, coining (See under coining) 

 press, punch (See under punch) 

 press, toggle, for copper drawing, 16 

 press, screw (See under screw) 



printing press, polygonal, 1 16-1 17; of R. Hoe, 11 6-1 17 

 Providence, R.I., 31 ; fire engines for, 6, 44; planer in, 



74n 

 pulp dresser (See under papermaking machinery; 



also Donkin, Bryan) 

 pump (See Perkins, Jacob; fire engine) 

 punch press, for rivets and washers, 9, 1 1 

 Railroad (See also Pennsylvania works) 



Baltimore & Ohio, 180-185, 190 



Camden & Amboy, 162 n, 163 



Charleston & Hamburg, 150, 172 



Covington & Lexington, 154 



Lancaster & Harrisburg, 163 



Lawrenceburg & Indianapolis, 150 



Liverpool & Manchester, 70, 134, 150 



200 



