Quote:
So that being said, your Challenge photograph represents the:
Gilmore vertical take-off steam-powered monoplane of 1903-04
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No, it doesn't.
I've tried several times over the years, to find the patent number for the Gilmore helicopter / tandem wing aeroplane, but it's always eluded me. I suspect the patent, though it was drawn up, had either never been submitted or it had not been granted.
When I was referring to a spot north of San Francisco, I wasn't referring to Grass Valley but
somewhere else.
Paul