6 Matching Results

Search Results

Advanced search parameters have been applied.

[News Script: Deceptograph]

Description: Script from the WBAP-TV station in Fort Worth, Texas, covering a news story about Tarrant County sheriffs testing a new polygraph lie detector machine, known as the "Detectograph."
Date: May 14, 1956
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

Shaft and Pulley Collar.

Description: Patent for a collar for pulleys and shafts with set-screws that protects the set-screws from damage or harming people working with the systems.
Date: May 14, 1907
Creator: Beal, Ephaphras Lee
Partner: UNT Libraries Government Documents Department

Improvement in Nail-Extractors.

Description: Patent for an improved instrument for extracting nails which "will increase its effectiveness in equal ratio with the resistance offered by the object under operation" (lines 13-16) including instruction and illustrations.
Date: May 14, 1872
Creator: Franklin, Edward A.
Partner: UNT Libraries Government Documents Department

Improvement in Brick-Presses.

Description: Patent for a "new and useful improvement in brick-presses by which bricks may be quickly and cheaply pressed by hand power from clay taken direct from bank or mixer" ( Lines 1-3 )including instructions and illustration.
Date: May 14, 1878
Creator: Moore, Andrew A.
Partner: UNT Libraries Government Documents Department