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Railroad-Track Lifter.

Description: Patent for improvement in railroad-track lifters by using “the combination of a base, a upright, a lever and two pawls engaging notches of the upright” (lines 97-99) and “hand mechanism for operating the pawls,” (lines 1-2, p. 2) for easily raising sections of railway-track. Illustration is included.
Date: March 31, 1891
Creator: Brown, Hiram David
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Device for Exterminating Insects on Plants.

Description: Patent for improvements in insects control device on plants in which it allows “convenient and practicality to apply smoke and fumes to the plants at any stage of growth, whereby any insect which may prey upon the plant or its fruits may be effectually exterminated.” (Lines 13-18) Illustration is included.
Date: March 22, 1904
Creator: Cottle, Thomas M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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