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Manufactured By:
William Powell Co.
Cincinnati, OH

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Title: 1892 Ad-William Powell Co., Compression Grease Cup
Source: The Age of Steel, V71, 09 Jan., 1892, pg. 30
Insert Date: 3/5/2025 3:01:06 AM

Image Description:
US Patent: 332,623

https://www.datamp.org/patents/displayPatent.php?number=332623&typeCode=0
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Image 1
1892 William Powell Co., Compression Grease Cup
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