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13875153
Wall Art and Photo Gifts from Mary Evans Picture Library
13875153
Mary Evans Picture Library makes available wonderful images created for people to enjoy over the centuries
Media ID 32324050
© Aviation Ancestry
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VISUAL DESCRIPTION
The black-and-white image captures a moment from history with an individual operating a Churchill Hydraulic Plain Grinder at De Havilland Aircraft Co., Ltd. This photograph emphasizes precision engineering as it relates to aircraft production—specifically grinding spider arms of controllable pitch airscrews (propellers). The text underscores the importance of accuracy in this process for ensuring efficient operation of aircraft components. It serves as both an educational insight into industrial practices of the time and promotional material for Churchill Machine Tool Co., highlighting their reputation for precision grinders that set new standards in achieving fine tolerances necessary for high-quality aerospace manufacturing.
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