Welch, Sylvester, chief engineer of portage railroad; 



'53, '54 

 welding of fire-engine levers, 49-51 

 West Point Foundry: planing machine in, 74; 



mentioned, 46, 112, 160, 164 n 

 Western & Atlantic railroad, 191 

 Whistler, George W., 190 

 White, John, screw-turning shop, 31-35; on workmen, 



34; his lathe, 35 (illustr.); mentioned, 121 

 White, Josiah, and Perkins' ship pump, 20; and wire 



drawing, 92 

 White, William, Bishop, 42 

 Whitworth, Joseph, 108 

 Wilkinson, David, 31 

 Willard's Hotel, 192 

 Willcox paper mill, 90 

 Williams, Moses, silhouette cutter, 85 



Wilson, John, locates Philadelphia & Columbia 



Railroad, 147; on locating principles, 149-151 

 Wilson, W. Hassell, i47n, 149 n, 151 n, 156 

 Wiltbank, John (brass founder), 43; buys Cardington 



Locomotive Works, 43 n, 160 

 Wiltberger foundry, 107 

 Windsor and Newton (engravers), 123 

 wire, straightening, drawing, annealing, 90-94 

 wire rope on portage railroad, I54n 

 Wood, Samuel R., nail machine, 125; penitentiary 



warden, 136-140 

 Woodhouse, Joseph (paper cutter), 121 n 

 Woodside, John A., 44 and n 

 York, Pa., molds made in, 106, 168 

 Young, William, owns cotton mill, 69, 70 n, 96; 



GES visits, 98 



U.S. GOVERNMENT PRINTING OFFICE 1964 O 660-358 



