These are original photos from the Jeanne (Kleckler) Grevelding Photo Collection of the Glenn Curtiss era.
The album was her fathers, Henry Kleckler, which she displayed at the Reunion.
These rare photos were scanned by Dennis G Yerkey (with permission) on Sept 24, 2011, at the OX5 Aviation Pioneers 56th Annual Convention–Hammondsport, NY.
The G.H. Curtiss Medal was presented to Henry Kleckler, designer of the OX-5 engine, by the OX5 Club of America on Sept 20, 1958.