[Blacksmith and forger, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Workers assembling boiler for modern locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Boilermaker and helper working on locomotive boiler, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Workers assembling boiler for a modern locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Machinist shaping part of driveshaft on largest locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Tool-builder bushing for engine lathe spindle, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Boilermaker tapping for stay-bolts in boiler of modern locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Machinist milling down part of driveshaft on largest locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Machinist shaping section of driving rod for largest locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Blacksmith and helper working on modern forge in smith's shop, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Worker taking temperature of melted iron with pyrometer in foundry, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Blacksmith and helper working on modern forge in smith's shop, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Tool-builder planing for taper shoe on steam hammer ram, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Toolmaker making taper sleeve-gauge from taper reamer, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Stationary steam engine built by W. W. Baldwin before 1830, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[A. Miles assembling electrically operated "very modern" milling machine, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Machinist finishing axle on large driving wheels (80 inches in diameter) on newest type of locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Man working with very modern 50-foot electric planer for big steel electric locomotive frames, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Machinist machining wheel to fit driving pin on above wheels (80 inches in diameter) on newest type of locomotive, Baldwin Locomotive Works, Eddystone, Pennsylvania]

[Factory interior with small planing machine with belt drive run by steam (now out of production) that was installed about forty years ago, Baldwin Locomotive Works, Eddystone, Pennsylvania]