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Improvement in Combination Locks.

Description: Patent for improved combination locks, with a bolt that is locked or unlocked by the combination of spindles and pivoted buttons. The invention combines the spindles in to an "annular ring having letters or numbers and a series of different shaped pegs or combinations of letters or figures or both jointly" (pg 1).
Date: September 12, 1871
Creator: Hall, William N.
Item Type: Refine your search to only Patent

Improvement in Cotton-Presses.

Description: Patent for a "new and improved cotton-press" (line 5) relating to "improvements in friction-clamping apparatus used on vertical bars or rods of presses for holding the follower and lever in working the follower in passing the bale" (lines 11-14) including instructions and an illustration.
Date: December 26, 1871
Creator: Simpson, Thomas D. & Lamkin, William S.
Item Type: Refine your search to only Patent

Improvement in Fluting Sad-Irons.

Description: Patent for "a new combination of fluting and sad-iron, of such kind that the upper fluting-roller will serve as handle for the sad-iron, there being thus no loose or separate parts required for the two functions." (Lines 17-21) Includes instructions and illustrations.
Date: November 14, 1871
Creator: Franklin, Edward A.
Item Type: Refine your search to only Patent

Improvement in Gas-Furnaces and Forges.

Description: Patent for "an apparatus in which the gases from one or more forges, instead of passing off unconsumed into the atmosphere, enter a furnace and are burnt therein, thereby furnishing heat for the generation of steam in a boiler connected with said furnace, which steam is used to drive a fan that impels a blast into each forge, and is also used to propel an engine that operates a hammer, the exhaust from the engine being conducted to the tuyeres of the forges through pipes in which are placed red… more
Date: November 7, 1871
Creator: Morris, Joseph R.
Item Type: Refine your search to only Patent
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