The power-shovel industry saw a somewhat revolutionary transition in the 1910s. Steam, the standard power source for these machines since their advent around 1835, was being challenged by the new ...

The Ball Engine Company was founded in Erie, Pa., in 1883 to manufacture stationary industrial steam engines. Recognizing that the market for such engines was maturing, it began manufacturing steam ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

The show features demonstrations and displays of horse-drawn, steam, gas and diesel-powered antique construction machinery, cable and hydraulic shovels and cranes, hit and miss engines, antique trucks ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...