canal (See under Pennsylvania works) 

 Erie, 143, 147 



canal boats, sectional, 153-154, 156, 158 (illustr.); 

 on Pennsylvania canals, 157, 159 



canned foods, 1 1 7 



capstan, of Murray, 16, 20-21 



card, handmade, 46, 51, 168 



card machine of John Brandt, 160, 168-169 (See also 

 Brandt, John) 



card wire, 91 



Cardington Locomotive Works, 43, 76, 89, 179; 

 location, xvii; lathe in, 112; and paper ma- 

 chinery, 107; shops described, 160 



Carey and Lea (booksellers), 40 



casting and rolling in U.S. Mint, 66 (See also 

 foundry work) 



Caulkins (millwright), 107 



Centennial Exhibition, coining press in, 76 



Charleston (ship), 26 



Charleston & Hamburg Railroad, 150, 172 



Charlotte, N. C, branch mint, 62, 71, 74 



Chauncey, Charles, 175-177 



Chauncey, Thomas, 1 78 



Cheverton, Benjamin (of London), 131 



Childes' slide valve, 73 



Cincinnati, Ohio, GES in, xvii 



Citizens' Steamboat Line, 145 



Civil War, Washington during, 190, 191-192 



Clark, B. & E. (Philadelphia watchmakers), 125 



Clement, Joseph, 108, 116 



Clymer, George, 79 



coining in first U.S. Mint, 62, 63 (illustr.), 64; in 

 second U.S. Mint, 68-69 ar >d 7 1 (illustr.), 77; 

 press exhibited at Centennial, 76 



coins, new patterns, 74, 76 



Conestoga wagons, in Philadelphia, 144 



Contamin lathe, 74 n 



Cooper, Peter, 180-184, passim 



copper, drawing of, 15, 16, 122-123 



copper planchets for pennies, 66 



coppersmithing, by Joseph Oat, 43; in Sellers & Pen- 

 nock shops, 48^49 



Corliss, George, 73 n, 185 



counterfeiting, 1 35-1 41 



Covington & Lexington Railroad, 154 



Cullom, Daniel (woodworker), 49 



cylinder paper machine (See under papermaking) 



Dahlgren, John, schoolmate of GES, xv, 54; in 

 Washington, 190, 192 



Dahlonega, Ga., branch mint, 62, 71, 74 



Danforth, Charles (machinery builder), 173 



Davis, Phineas, his Arabian, 180-181, 183, 184-185, 

 visits Philadelphia, 181-182 



De la Rue & Co., (stationers), 127, 128, 129 



Dickens, Charles, on Pennsylvania works, 159 



Dickinson, John, identified, 87; cylinder machine of, 

 96, 97 (illustr.), 104; copied by Gilpin, 98; and 

 drying cylinders, 101, 123-124; biogr. notes, 

 102; GES visits, 106, 123; portrait, 123; his 

 warehouse, 124; safety paper, 140 



Didot, Leger (See Robert and Didot) 



Diligent (fire engine), 3 and n, 9 (illustr.), 22, 24, 44; 

 vs. Assistance Fire Company engine, 44 



Diligent Fire Company, 3 and n, 4, 8 



dividing engine, screws for, 117, 121 



Dobbs (stationers), 127, 128, 129 



Donkin, Bryan, 111,114; identified, 87; and drying cyi 

 inders, 101, 118,123-124; develops Fourdrinier 

 machine, 104, 116; works closed to foreigners, 

 109; on pulp dressers, no, 118, 119, 122, 127- 

 128,130; biogr. notes, 1 1 6-1 1 7 ; his printing press, 

 1 1 6-1 1 7; food preservation, 117; portrait, 117; 

 GES visits shops, 1 17-127; on Sir Walter Scott, 

 119; on screw threads, 121 ; on American tools, 

 125-126; and interchangeable parts, 126-127; 

 GES opinion of, 130 



drawing, mechanical (See under mechanical) 



Dromedary (fire engine), 24-25 



Du Pont de Nemours, E. Irenee: powder works, 96; 

 GES visits, 98 



Eagle Works (foundry and machine shop,) 40 



Eckfeldt, Adam, 15, 63, 77, 178; folding fire-engine 

 handles, 3, 4, 19 (illustr.), 23, 70, 71; builds 

 screw press, 31 n; on gold importation, 35; gives 

 GES penny, 64; his mint improvements, 70-71 ; 

 new machinery specifications, 71-74; on Frank- 

 lin Peale, 76; retires, 78; and Redheffer, 79 



Eckstein, Frederick, 38 



Eckstein, John, 38 



Ellicott's Mills, 181 



engine, fire (See fire engine; "Hydraulion") 

 internal combustion (See Morey, Samuel) 

 steam (See steam engine) 



engraving, of bank notes, 13, 15, 17, 28; counterfeit- 

 ing, I3 6 " 1 -! 1 



Ericsson, John, and Novelty locomotive, 70 



Erie Canal, 143, 147 



Espy, James P., 54, 1 70 



196 



