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Railway Signaling Mechanism

Description: Patent for a railway signaling mechanism. This invention "relates to certain new and useful improvements in electric railway and block signaling in which means are provided for indicating in the engine cab to the engineer the condition of the road ahead" (lines 9-13). Illustrations included.
Date: January 15, 1907
Creator: Adams, Edwin Johnson
Partner: UNT Libraries Government Documents Department

Improvement in Cultivators.

Description: Patent for the improvement of cultivators using adjustable blades and is adaptable to use different types of blades for a variety of other uses, including illustration.
Date: January 15, 1861
Creator: Alexander, J. T. D.
Partner: UNT Libraries Government Documents Department

Improvement in Apparatus for Preserving Meat, &c.

Description: Patent for "an improved apparatus for use in fumigating substances used as food; and also for impregnating water with sulphurous-acid gas, for the purpose of preserving such substances by the antiseptic quality of sulphur" (lines 9-14). Includes instructions and illustrations.
Date: January 15, 1878
Creator: Ames, Theodore George
Partner: UNT Libraries Government Documents Department
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