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Key-Board Attachment for Pianos.

Description: Patent for a new keyboard attachment as educational aid for "pianos, organs &c. and has for its object to simplify the reading of music" (lines 9-11) including instructions and illustrations.
Date: February 12, 1889
Creator: Osborn, Enoch L. S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Loose-Leaf Binder

Description: Patent for loose-leaf binders. A strong and easy way to attach or remove loose leaf papers from a flat book.
Date: January 4, 1906
Creator: Owen, Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pictorial Firmament Machine.

Description: Patent for a hollow globe with a map of the stars and planets positions on one side that has lights on the inside of the globe to project the placement of the stars and planets on a ceiling.
Date: April 4, 1911
Creator: Jones, Oliver Pinkney
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Educational Device

Description: Patent for a combined folding desk, blackboard, scroll, and map cabinet to be used for educational purposes. Illustrations included.
Date: September 10, 1912
Creator: Fanning, Sam H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Educational Device.

Description: Patent for "improvements in combined desk and blackboard devices arranged in convenient shape for opening and closing and reversing in position" (lines 8-11); including instructions and illustrations.
Date: November 4, 1913
Creator: Fanning, Sam H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Educational Appliance.

Description: Patent for an educational appliance that is meant to be used for teaching math mechanics and physics. It easily demonstrates principles of mechanics and physics that involve quantities.
Date: September 26, 1893
Creator: Macfarlane, Alexander
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Educational Device.

Description: Patent for improvements in educational device by providing “a simple and comparatively inexpensive one designed for teaching addition, multiplication, subtraction, and division and capable of enabling the same to be explained with greater ease and at the expenditure of much less energy of both pupil and teacher.” (Lines 12-18) Illustration is included.
Date: February 10, 1903
Creator: Williams, Willoughby Columbus
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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