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Price's rotary digger and greathead shield
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Price's rotary digger and greathead shield
Front view of Price's combined rotary digger and greathead shield with six revolving arms and removal buckets Date: 1909
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Media ID 32247498
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Buckets Combined Cutter Cutting Digger Engineering Prices Railways Removal Revolving Rotary Shield Tube Tunnel Underground Greathead
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This image, published in Captain Magazine in February 1909, showcases the innovative engineering of Price's combined rotary digger and greathead shield. The front view reveals six revolving arms, each equipped with removal buckets, working in unison to excavate the ground in a continuous spiral motion. The shield, a crucial component in tunnel construction, protects the workers and the surrounding area from the debris and water that accompany the digging process. The tube railways of London in the early 1900s were undergoing significant expansion, and the demand for efficient and effective digging equipment was high. Price's invention, an engineering marvel of the Edwardian era, combined the functions of a rotary digger and a greathead shield into one versatile machine. The tube railways, a symbol of the city's modernization, required the use of advanced equipment to keep up with the construction pace. The rotary digger, with its revolving arms and removal buckets, was designed to cut through the hard ground, while the greathead shield ensured the safety of the workers and prevented any potential collapses. The combination of these two essential tools streamlined the construction process and increased productivity. This photograph, taken in 1909, offers a glimpse into the past, showcasing the technological advancements that revolutionized the tunnel construction industry during the Edwardian period. The image is a testament to the ingenuity and innovation of the engineers and inventors of the time, who pushed the boundaries of what was possible in the realm of engineering and construction.
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