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Churn-Motor.

Description: Patent for a butter churn with a "vertical rotary dasher" (line 19), including instructions and illustrations.
Date: March 16, 1880
Creator: Rogers, James P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Colorado County

Description: Map of Colorado County, Texas, including the Prairies and Lakes region. The center of Colorado County is marked on map. Scale ca. 1:133,334 (4000 varas per inch).
Date: March 16, 1880
Item Type: Refine your search to only Map
Partner: Texas General Land Office

Envelope.

Description: Patent for a new and improved envelope. This design calls for "a projecting flap, to which the postage stamp or stamps may be attached in such a manner that the said stamp or stamps may be canceled by perforation (or by means of a punch or otherwise) without danger of injuring the contents of the envelope" (lines 14-19).
Date: March 16, 1880
Creator: Terry, James Doss
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Music-Leaf Turner.

Description: Patent for a device for "Turning Leaves of Sheet-Musics, Music-Books and, other Books" (lines 5-7), including instructions and illustrations.
Date: March 16, 1880
Creator: Becker, Francis L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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