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Primary view of Letter Copying Roller
Roux, Harry L.
December 28, 1897
Primary view of Fluid - Pressure Regulator.
Clark, George Greenleaf
December 7, 1897
Primary view of Fluid Pressure Regulator
Clark, George Greenleaf
December 28, 1897
Primary view of Railway - Switch.
Girardeau, St. Julien & Murray, Richard James
December 28, 1897
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