see a cyclist who understands the art of balancing
so well that he can, with ease, ride a machine
which has only a single wheel; or he can, with a
stock bicycle, ride it in every conceivable attitude,
and make it perform all sorts of feats.

It merely shows that man has become an
expert at juggling with a machine, the same as he
manipulates balls, and wheels, and other artifices,
by his dexterity.

PRACTICAL USES THE BEST TEST.--The bicycle
did not require such displays to bring it to perfection.
It has been the history of every invention
that improvements were brought about, not
by abnormal experiments, but by practical uses
and by normal developments.

The ability of an aviator to fly with the machine
in an inverted position is no test of the machine's
stability, nor does it in any manner prove that
it is correctly built. It is simply and solely a
juggling feat--something in the capacity of a certain
man to perform, and attract attention because
they are out of the ordinary.

CONCAVED AND COXVEX PLANES:--They were performed
as exhibition features, and intended as
such, and none of the exponents of that kind of
flying have the effrontery to claim that they prove