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Thread-Box.

Description: Patent for Thread-Box designed for a neat appearance, storage, and access to sewing materials.
Date: October 5, 1920
Creator: Crumbaugh, Hallie V. D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Thickener and Means for Removing Settled Solids Therefrom.

Description: Patent for a machine which can automatically and continuously remove thickened material, which is a byproduct of wet milling ores. "The present device has been particularly designed to permit feed and discharge to be on the same level or for that matter the constant density discharge may be above or below the level of the feed stream, as may best fit the conditions of the particular installation" (lines 39-45).
Date: October 5, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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