Wrench. (open access)

Wrench.

Patent for a new sliding jaw type wrench which enables objects to be clamped in the jaws of the wrench securely while leverage is used to rotate the head of a nut.
Date: July 29, 1913
Creator: McGill, Wisdom
System: The Portal to Texas History
Seed-Planter (open access)

Seed-Planter

Patent for improvements to seed planters including "having a revolving seed distributing drum provided with radial slots in which radially moving plungers are arranged, and so operated that at predetermined points seeds are received in the pockets and subsequently ejected therefrom" (lines 12-17) including instructions and illustrations.
Date: July 29, 1913
Creator: Gibson, Rupert R.
System: The Portal to Texas History
Cotton Seed Planter. (open access)

Cotton Seed Planter.

Patent for a new and improved planter. This design "consists in, first, a hopper having its rear side or board extended downward so as to form the standard or furrow-opener; second, the combination of two endwise adjustable castings provided with shoulders or offsets, and which are made adjustable in relation to each other, and by means of which the quantity dropped is regulated . . . [An object] of [the] invention [is] to extend the rear side of the seed-box downward, so as to form a furrow-opener or standard, to attach the combined seed-box and standard to the two iron beams" (lines 13-28).
Date: July 29, 1890
Creator: Kennedy, David
System: The Portal to Texas History