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Standard for Logging Cars. (open access)

Standard for Logging Cars.

Patent for a new and improved standard for logging-cars. This design "consists of a pivoted standard connected by links to a lever a short distance from its pivot, so that when the lever is turned out of alignment with the links the standard will be firmly locked in position. . . . The object of [the] invention is to provide a standard for cars and wagons which can be readily turned down out of the way when loading, and which, when turned up into position, will be firmly and securely held" (lines 7-16).
Date: August 2, 1887
Creator: Minnock, Edmund Junius
System: The Portal to Texas History
Telegraph-Transmitter. (open access)

Telegraph-Transmitter.

Patent for an improvement to telegraph transmitters of the pendulum type in which signals are transmitted through use of a series of dots and dashes.
Date: June 2, 1914
Creator: Moore, Leo I.
System: The Portal to Texas History