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Improvement in Soldering-Irons.
Patent for "an apparatus to be used with the common soldering-iron, whereby the same can be heated and kept heated continually while the iron is used." (Lines 6-9) Includes instructions and illustrations.
Date:
December 19, 1871
Creator:
Williams, Joseph
System:
The Portal to Texas History
Improvement in Rifle-Barrels.
Patent for a "new and useful improvement in firearms" (lines 4-5), including instructions and illustrations. The invention provides "a gun-barrel with a number of cutters or plows for grooving the ball, said cutters or plows to correspond with with the number of guides or ribs which the gun is formed" (lines 20-25).
Date:
December 11, 1877
Creator:
Littlejohn, William
System:
The Portal to Texas History