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Lifting Device.
Patent for a new and improved jack. This design "relates to devices for raising fence-corners in repairing the same, and for lifting weights generally; and the object of [the] invention is to produce a simple and powerful device whereby a single operator can greatly increase his [or her] capacity for lifting heavy objects" (lines 8-14).
Date:
November 30, 1886
Creator:
McNabb, James M.
System:
The Portal to Texas History