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Windmill Attachment.

Description: Patent for windmill attachment to improve the construction allowing windmills to function without a sufficient amount of wind through the use of pumps and rods, including illustrations.
Date: October 21, 1913
Creator: Vaught, Silas W.
Item Type: Refine your search to only Patent

Window Sash Construction.

Description: Patent for a new type of window sash construction. Older sashes use putty to hold the window glass in to the frame. This sash uses metal and wood to hold the glass in making for a better seal and greater insulation.
Date: March 10, 1914
Creator: Harris, John I.
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a new and improved wrench with a "novel means for adjustably controlling the position of the movable jaw with respect to the stationary jaw" (lines 12-15), including illustrations.
Date: August 29, 1916
Creator: Parmer, Ernest W.
Item Type: Refine your search to only Patent
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