Resource Type
Counties
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Child's Crib
Patent for new "suspended cribs or cradles for the use of children" (lines 17-18) including instructions and illustrations.
Date:
June 8, 1880
Creator:
Brown, Fred Harvey
System:
The Portal to Texas History
Water Elevator.
Patent for a new and improved water elevator. This design "is to provide each bucket with a weighted back; also, in the manner of connecting the chains thereto, so that the necessity of the employment of a weighted wheel is obviated" (lines 20-24). This means that individual buckets may be removed and replaced, and construction becomes more durable and simple.
Date:
December 28, 1880
Creator:
Mayfield, William D.
System:
The Portal to Texas History
Piano-Forte Tuning-Pin Lock.
Patent for a new and improved lock for forte-piano tuning-pins. This design consists "of an elongated or oblong metal plate provided with a slot in a part of its length and having one of its faces roughened into serrations . . . which, together with . . . correspondingly-toothed hooks bolted to said plate, form a clamp to bind two or more tuning-pins of a piano together, to prevent them from turning as a set or independently" (lines 16-25).
Date:
March 2, 1880
Creator:
Norcross, Levi W.
System:
The Portal to Texas History