Resource Type

Log-Loading Mechanism. (open access)

Log-Loading Mechanism.

Patent for a machine that hauls and loads logs upon cars from either side of the track, or both sides at once. The machine can easily be transported on a car. The machine "consists, essentially, in a platform of about the length of an ordinary log-car and of a height and width to enable it to span the same, mounted upon which are a steam engine and a boiler and a rotating crane, said platform being provided with pivoted legs for holding it above the track, with pivoted legs for holding it above the track, with means for locking said legs in a vertical position" (lines 23-30).
Date: April 14, 1896
Creator: Fletcher, William Andrew
System: The Portal to Texas History
Mining Sulfur. (open access)

Mining Sulfur.

Patent for a method of mining sulfur and other things that have similar melting points that is less expensive and more efficient than previous methods. A machine sprays hot fluid at fissures where the mineral exists, melts it, and carries it away in the stream.
Date: April 27, 1897
Creator: Higgins, Pattillo & Carroll, George W.
System: The Portal to Texas History
Mill-Carriage-Wheel Guard. (open access)

Mill-Carriage-Wheel Guard.

Patent for a new mill-carriage-wheel guard "to prevent obstruction falling on the wheels or on the [railroad] track, this guard also carries scrapers in front and in rear and on each side of the wheel, whereby the obstructions are scraped off the track." (Lines 23-28) This guard can be used with a wood-working machine carriages and/or rail.” Illustration is included.
Date: April 28, 1891
Creator: Zimmerman, Joseph W.
System: The Portal to Texas History