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Wrench.

Description: Patent for a new ratchet-wrench with "improved construction and combination of parts" (lines 26-27), including illustrations.
Date: February 2, 1886
Creator: Rettberg, Ernest Frederick & Ellis, Charles Carroll
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Screw-cutting Die.

Description: Patent for a screw-cutting die, including illustrations. The invention includes "a die-plate of special construction, adapted to cut either right or left hand threads" (lines 12-13).
Date: February 6, 1883
Creator: Müller, Joseph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw-Filing Machine

Description: Patent for improvements to machines that file saw teeth, including illustrations.
Date: February 1, 1887
Creator: Nolen, Robert; Bishop, Rudolph W. & Waltemeyer, Joseph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oscillating Engine

Description: Patent for improvements to oscillating steam engines, including illustrations and instructions.
Date: February 26, 1884
Creator: Gilbert, John Oakley
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Baling-Press.

Description: Patent for "new and useful Improvements in Baling-Presses" (lines 5-6) including instructions and illustrations.
Date: February 19, 1889
Creator: Bywaters, Joseph K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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