I saw the same photo somewhere, but so far as I remember it was in a forum where its origins were being debated and no real conclusion was found.
Can't find it until I remember the name it has - oh yes, it was the Adams racer and this appears on that Forum but may not be true as I can find nothing to back it up.
1916 Adams Racer, All original
George Adams built it to race in the
1916 Indianapolis Race, but missed the entry deadline.