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Description: Patent for a new method for drawing off tallow, lard, etc. from pressure tanks by introducing water. This includes illustrations.
Date: June 7, 1870
Creator: Archer, John H.
Description: Patent for improved car couplings "of the Janney type, capable of readily coupling on short curved, and adapted to be either coupled or uncoupled without going between cars. A further object of the invention is to provide means whereby the parts may be readily set for automatic coupling, or to prevent coupling." (Lines 13-20) Includes instructions and illustrations.
Date: March 19, 1895
Creator: Armstrong, James P.
Description: Patent for a steam feed. This invention is designed "for sawmill carriages characterized by a steam cylinder, and a piston operating in the cylinder and having its rod connected to the sawmill carriage" (line 9-12). Illustration included.
Date: January 24, 1911
Creator: Black, Lee Jackson
Description: Patent for the improvement of the reciprocating saw by simplifying the arrangement of cylinders, pipes, and exhaust pumps to produce the necessary vacuum, including illustration.
Date: August 14, 1855
Creator: Brown, A. & Coffin, Abel, Jr.
Description: Patent for a log-carrier with an improved construction from a previous patent (No. 539,380). Improvements include a change in "the angle of strain of the draft-chain as the lever approaches the horizontal position...when the load is elevated" (lines 34-37). It also maintains "a uniform leverage without the use of guide-rollers or other means" (lines 54-56), and balances the sliding tongue so that "the team is relieved of the weight thereof" (line 62).
Date: December 8, 1896
Creator: Carroll, Joseph Alexander
Description: Patent for an electrically-actuated sawmill set-works that regulates movement of the clutch-stop and set-shaft, which determines the extent of knee-movement including illustrations.
Date: October 16, 1900
Creator: Carroll, William M.