This film is part of Free
The fabulous Deonzo Brothers in a spectacular barrel-jumping stage act
The Deonzo (or sometimes Deonza) Brothers were American, all the way from Hamilton Ohio. They were touring when RW Paul took the opportunity to film their act, which is shot on a stage in front of a painted rural backdrop. The brothers are just about to go into the big finale when... the film stops.
It is a frustrating fact of life that old pieces of films often lose their beginnings and ends, hence the abrupt ending. You can probably guess what happened next with the Deonzo Brothers' famous act, but if you're really keen to know, the Feb-Jul 1901 of the Harmsworth Magazine helpfully shows you in a series of illustrations.