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Trolley Wheel For Electric Cars

Description: Patent for improvement to trolley wheel design for electric cars, specifically the addition of friction-disks to prevent the wheel from running off the wire while moving. Instructions and illustrations are included.
Date: September 7, 1897
Creator: Crawford, James A.
Partner: UNT Libraries Government Documents Department

Joint for Metallic Structures.

Description: Patent for a foldable joint for use in metallic structures that is able to "form a connection between one member and a member normally disposed at right angles thereto but adapted to be turned down into parallel relation to the first named member." (lines 13-18)
Date: September 7, 1920
Creator: Rece, Frank S.
Partner: UNT Libraries Government Documents Department

Plane for Aeroplanes.

Description: Patent for plane for airplanes that imitates bird flight (without added power) once an airplane has reached the desired altitude.
Date: September 7, 1915
Creator: McCarroll, Frank
Partner: UNT Libraries Government Documents Department

Braiding Attachment for Sewing-Machines.

Description: Patent for an "attachment to the pressure-foot of sewing machines to carry a tinsel or braid in proper position relative to the needle" (lines 15-17) to ensure the tinsel or braid is fully attached to the desired outline on the cloth. Patent includes instructions and illustrations.
Date: September 7, 1897
Creator: Tynes, Minor Eugene
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for improving acetylene gas generator designs with the use of an added specification in the form of a new apparatus. Illustrations and instructions are included.
Date: September 7, 1897
Creator: Taylor, George
Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for an aeroplane. The invention is designed to vary the curvature of the plane from front to rear and by this means the plane may be so adjusted as to reduce the "head resistance" to a minimum. The invention is also trying to find the suitable means for manipulating the adjustable sections whereby the movable sections. This invention aims to provide a machine that is strong, durable, efficient, and comparatively simple to construct.
Date: September 7, 1915
Creator: McCarroll, Frank
Partner: UNT Libraries Government Documents Department
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