Yesteryear - HDR Look
by Rhonda Barrett
Title
Yesteryear - HDR Look
Artist
Rhonda Barrett
Medium
Photograph - Photography
Description
This is another version of "Yesteryear" but is done with tweaking the HDR tones.
This 1906-built Marion machine is the world's largest steam shovel surviving intact.
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It is located in the small American town of Le Roy, New York. It was listed on the National Register of Historic Places in 2008.
Would be a beautiful addition to any den or office decor.
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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. They 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. The development of simpler, cheaper diesel-powered shovels caused steam shovels to fall out of use in the 1930s.
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The steam shovel was invented by William Otis, who received a patent for his design in 1839.
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The first machines were known as 'partial-swing', since the dipper arm could not rotate through 360 degrees. They were built on a railway chassis, on which the boiler and movement engines were mounted. The shovel arm and driving engines were mounted at one end of the chassis, which accounts for the limited swing. Bogies with flanged wheels were fitted, and power was taken to the wheels by a chain drive to the axles. Temporary rail tracks were laid by workers where the shovel was expected to work, and repositioned as required.
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Steam shovels became more popular in the latter half of the nineteenth century. Originally configured with chain hoists, the advent of steel cable in the 1870s allowed for easier rigging to the winches.
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Later machines were supplied with caterpillar tracks, obviating the need for rails.
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The full-swing, revolving shovel was developed in England in 1884, and became the preferred format for these machines
Source - Wikipedia
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**COPYRIGHT NOTICE**
All photographs and digital art on this web site are fully protected by U.S.
and international copyright laws, all rights reserved.
The images may not be copied, reproduced, manipulated or used in any way,
without written permission of Rhonda Barrett.
Any unauthorized usage will be prosecuted to the full extent of U.S. Copyright Law.
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Uploaded
August 3rd, 2013
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