2 Matching Results

Search Results

Polishing Machine

Description: Patent for a polishing machine which can be operated in different positions for use with glass, marble, and other stones.
Date: July 12, 1910
Creator: Giesberg, John G.
Partner: UNT Libraries Government Documents Department

Automatic Train-Pipe Coupling

Description: Patent for a train pipe coupling which connects automatically and does not come loose when the train is going around curves.
Date: April 12, 1910
Creator: Blair, Oliver C.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen