Tungsten carbide slip gauge blocks C016 / 2042
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Tungsten carbide slip gauge blocks C016 / 2042
Tungsten carbide slip gauge blocks. These are used as a standard form of length measurement. They are precision ground (lapped) to a specific thickness and then stacked to create the required length. The instructions inside the lid of the box refer to wringing, the process of placing two or more gauge blocks together so that the ultra-flat surfaces adhere to each other. A series of such wrung blocks will support their own weight. Photographed at the National Physical Laboratory, Teddington, UK
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9216687
© NATIONAL PHYSICAL LABORATORY CROWN COPYRIGHT/SCIENCE PHOTO LIBRARY
1900s Apparatus Blocks Device Engineering Instructions Metrology National Measurement Institute National Physical Laboratory Precision Series Laboratory Lapped Lengths Thickness Wringing
EDITORS COMMENTS
This print showcases a set of Tungsten carbide slip gauge blocks, which serve as the gold standard for length measurement. These remarkable devices are meticulously precision-ground and lapped to achieve specific thicknesses, allowing them to be stacked together to create desired lengths with unparalleled accuracy. The lid of the box containing these gauge blocks reveals intriguing instructions on "wringing" a process that involves placing multiple blocks in such a way that their ultra-flat surfaces adhere seamlessly. This technique enables a series of wrung blocks to support their own weight, demonstrating the exceptional craftsmanship and engineering behind these tools. Photographed at the esteemed National Physical Laboratory in Teddington, UK, this image highlights the cutting-edge research and technological advancements taking place within its walls. As the national measurement institute of Britain, NPL plays an instrumental role in ensuring precise measurements across various fields. With its clean studio shot aesthetic and emphasis on detail, this photograph captures not only the functional aspects but also the inherent beauty found within scientific apparatus. It serves as a testament to British expertise in metrology and reflects England's rich history of scientific innovation. This 20th-century still life composition is a visual tribute to NPL's contribution towards advancing physics and engineering disciplines through meticulous attention to detail and unwavering dedication to precision measurement standards.
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