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Self-Oiling Mine Car Wheel Patent

Om763_1041410_014

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Title	Self-Oiling Mine Car Wheel Patent
Subject	Business and Labor Science and Technology Transportation Patents Inventions Coal-mining machinery
Place	Barnesville (Ohio) Belmont County (Ohio)
Description	James H. Watt was granted this patent for the self-oiling mine car wheel on April 4, 1893. The patent measures 8 by 12 inches (20.32 by 30.48 cm), is four pages long, and includes illustrations. This was an important innovation in the construction of mining cars, because previously each wheel had to be taken off of the car and greased individually. Watt Car and Wheel Company won a blue ribbon at the 1893 Columbian Exposition for the self-oiling mine car wheel. Watt Car and Wheel Company began in 1862 when Joseph Watt and his son James started a small foundry to produce plow points. By the end of the decade, the company was producing larger items such as cook stoves and parlor stoves and had begun making mining car wheels. Four more of the Watt brothers also joined the company. In 1878, the Watt brothers began to build complete mining cars. By the end of the century, the company was shipping mining cars all over the world.
Date of Original	April 04, 1893
Collection	Watt Car and Wheel Company Collection
Source	Published material
Submitting Institution	Watt Center for History & the Arts
Type	Text

Title	Om763_1041410_014
Rights	For rights and reproduction requests, go to the Ohio Historical Society's Audiovisual and Graphic Reproduction Services page at http://www.ohiohistory.org/resource/audiovis/photodup.html; Online access is provided for research purposes only. For rights and reproduction requests or more information, go to http://www.ohiohistory.org/images/information
File Name	Om763_1041410_014.tif
Image Height	4774
Image Width	3226
File Size	4696.312 KB
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