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The diagram, which is not to scale, is a composite of various designs in the late steam era. Some components shown are not the same as, or are not present, on some locomotives – for example, on smaller or articulated types. Conversely, some locomotives have components not listed here.
Power shovels are a type of rope/cable excavator, where the digging arm is controlled and powered by winches and steel ropes, rather than hydraulics like in the modern hydraulic excavators. Basic parts of a power shovel include the track system, cabin, cables, rack, stick, boom foot-pin, saddle block, boom, boom point sheaves and bucket.
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A steam shovel is a large steam-powered excavating machine designed for lifting and moving material such as rock and soil. It is the earliest type of power shovel or excavator. [citation needed] Steam shovels played a major role in public works in the 19th and early 20th century, being key to the construction of railroads and the Panama Canal.
Marion Power Shovel Company was an American firm that designed, manufactured and sold steam shovels, power shovels, blast hole drills, excavators, and dragline excavators for use in the construction and mining industries. The company was a major supplier of steam shovels for the construction of the Panama Canal.
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USS Yo Ho (SP-463) was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919. Yo Ho was built in 1910 at Bath, Maine, by the Bath Marine Construction Company. The U.S. Navy acquired her for World War I service from H. D. Bacon, of Bath, designated her SP-463, armed her, and commissioned her on 12 May 1917 ...
A typical shovel. A shovel is a tool used for digging, lifting, and moving bulk materials, such as soil, coal, gravel, snow, sand, or ore. [1] Most shovels are hand tools consisting of a broad blade fixed to a medium-length handle. Shovel blades are usually made of sheet steel or hard plastics and are very strong.