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Mechanical Gear Number Sieve
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Mechanical Gear Number Sieve
Berkeley, California: 1932
A mechanical gear number sieve built by University of California Mathematics Professor Derrick N. Lehmer. It was used to solve number theory problems and could check 5, 000 combinations per second, a record that was only beaten much later by computers in the 1960 s
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Media ID 9736451
1930s 1932 America American Berkeley California Experiment Gear Indoor Industry Innovation Inside Invention Machine Machine Part Machinery Occupation Occupations Science Technology University Computing Number Theory University Of California
EDITORS COMMENTS
This print takes us back to the year 1932 in Berkeley, California. Here we see a remarkable invention that revolutionized number theory problem-solving – the Mechanical Gear Number Sieve. Designed and built by University of California Mathematics Professor Derrick N. Lehmer, this intricate machinery was at the forefront of scientific innovation during its time. Inside a university laboratory, this towering mechanical gear number sieve stands as a testament to human ingenuity. With its ability to check an astounding 5,000 combinations per second, it held the record until computers surpassed its capabilities in the 1960s. The vertical composition of this photograph highlights every detail of this historic machine part. Its gears interlock flawlessly, showcasing both precision engineering and mathematical prowess. This invention not only propelled American science forward but also played a vital role in advancing computing technology. As we gaze upon this vintage image captured by Underwood Archives from Universal Images Group (UIG), we are transported into an era where industry met academia in pursuit of discovery and progress. It serves as a reminder that even before computers dominated our world, brilliant minds like Professor Lehmer were pushing boundaries with their groundbreaking inventions. Intriguingly devoid of people, this photograph invites us to marvel at the sheer brilliance behind such mechanical wonders while appreciating the historical significance they hold for mathematics and technological advancements alike.
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