UNT Libraries Government Documents Department - 10 Matching Results

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Fire-Escape.

Description: Patent for improvements in fire-escapes by enabling the fire-escapes, “when not in use, to be compactly folded and arranged within a house or other building and capable of being quickly placed in position for use and of enabling persons and goods to be rapidly lowered to the ground with perfect safety.” (Lines 14-19) Illustration is included.
Date: April 8, 1902
Creator: Boettcher, Hermann

Lamp-Burner.

Description: Patent for a lamp burner that supplies air to the lamp flame to ensure proper combustion and maximum light while keeping flame in proper position, illustration included.
Date: January 8, 1918
Creator: McCrone, John W.

Plow.

Description: Patent for a new and improved plow. This design "relates to improvements in plows, particularly to that portion of the plow known as the point; and it has for its object to produce a point that may be reversed, so that both ends may be utilized or may be made to project sufficiently to convert the plow into a sub-soil plow. To this end the invention consists of a blade with two or both sets of bolt-holes and a double-ended point with holes nearer one end than the other" (lines 11-21).
Date: January 8, 1889
Creator: Rhodes, William Taylor

Rail-Joint.

Description: Patent for improvements in rail-joint designed to secure the abutting ends of the rails of a railway (lines 12-13). Illustration is included.
Date: July 8, 1913
Creator: Stelzig, Frank

Tie-Plate Machine.

Description: Patent for "a machine for properly positioning and securing metal plates to the cross-ties in the construction of railways, and which will obviate the coupling, buckling, or warping of the said plates when applying them to the wooden ties." (Lines 8-13) Includes instructions and illustrations.
Date: September 8, 1896
Creator: Greenshield, William H.
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