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Valved Coupling for Train-Pipes.

Patent for certain new and useful improvements in valved couplings for train pipes, including instructions and illustrations..

Date: August 22, 1899

Creator: Williams, Win D.

Partner: UNT Libraries Government Documents Department

Rotary Reciprocating Engine

Patent for this invention has relation to the type of engines combining rotary and reciprocating movements in one structure, the purpose being to combine the working elements in such relation as to convert maximum percentage of force into available form for the performance of work.

Date: January 22, 1901