3 Matching Results

Results open in a new window/tab.

Folding Lamp Shelf for Pianos. (open access)

Folding Lamp Shelf for Pianos.

Patent for a new and improved lamp shelf for pianos. This design "consists in an arm pivoted to the back of a music-rack and carrying a lamp-shelf, the arm being arranged to swing outward into a horizontal position, and the shelf being connected with the end of the arm by a pivotal connection, which permits of turning it outward and downward into a horizontal position in front of the plane of the music-rack" (lines 22-30).
Date: August 31, 1886
Creator: Prause, Reinhard
System: The Portal to Texas History
Improvement in Cotton-Presses. (open access)

Improvement in Cotton-Presses.

Reissued patent for a new and useful improvement in cotton press: "The invention consists in operating the nut of a follower-screw by means of a drive-pinion, whose own shaft is actuated alternately in opposite directions, by a friction-wheel" (lines 13-16).
Date: March 31, 1874
Creator: Knowles, William Wadsworth
System: The Portal to Texas History
Safety Razor (open access)

Safety Razor

Patent for a safety razor.
Date: October 31, 1916
Creator: Wrede, Albin C.
System: The Portal to Texas History