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Ball-Bearing.

Description: Patent for ball-bearings that "consists in improvements in hubs or journal-boxes and in the journals of axles or spindles" (lines 8-10), the "object [of which] is to construct journals and journal-boxes which will be perfectly adjustable and durable and which will be subjected to the least possible friction" (lines 12-15).
Date: January 26, 1897
Creator: Baker, Joseph B.
Partner: UNT Libraries Government Documents Department
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