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in subjects: "mechanisms"  
Results: 1 - 5
Primary view of Track Switch
South, John T.
February 15, 1916
Primary view of Acetlyene Generator
Michael, Mack W.
October 31, 1916
Primary view of Mechanical Movement
Tucker, Roger V.
December 5, 1916
Primary view of Automatic Switch Throwing Apparatus
Bida, Frank
December 5, 1916
Primary view of Control Mechanism for Internal Combustion Engines
Guthrie, William S.
October 17, 1916
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