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Primary view of Yielding Power-Coupling
Mayo, William C. & Houlehan, John
February 18, 1908
Primary view of Windmill.
Tinney, James R.
November 18, 1902
Primary view of Ticket Vending Machine
Mayo, William C.; Houlehan, John & Briggs, George E.
February 18, 1908
Primary view of Nut-Lock.
Mayo, William C.
February 18, 1908
Primary view of Means for Converting Reciprocatory Motion into Rotary Motion
Mayo, William C. & Houlehan, John
February 18, 1908
Primary view of Railway Switch
Aley, Frank W.
August 18, 1903
Primary view of Automatic Multiple Fuse Block
Mayo, William C.; Houlehan, John & Briggs, George E.
February 18, 1908
Primary view of Car-Wheel
Mayo, William C. & Houlehan, John
February 18, 1908
Primary view of Annuciator
Mayo, William C. & Houlehan, John
February 18, 1908
Primary view of Air-Brake, Lighting, and Signaling System for Railway-Trains
Mayo, William C. & Houlehan, John
February 18, 1908
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