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Mechanical Movement.

Description: Patent for improvements in mechanical movements by using cranks and wrist pins to “converting rotary motion, like that of a wheel or pulley, into reciprocating motion.” (Lines 12-14) Illustration is included.
Date: April 8, 1902
Creator: McKean, Frank
Partner: UNT Libraries Government Documents Department

Hay-Rack.

Description: Patent for a hay rack, which allows animals to feed on the hay while it on the rack from all sides and underneath it.
Date: April 7, 1908
Creator: Jackson, Peter C.
Partner: UNT Libraries Government Documents Department
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