pon, inevitably follows. It is modelled by the _data. _It must be
_thus _and not otherwise. But from the first move in the game of
chess no especial second move follows of necessity. In the algebraical
question, as it proceeds towards solution, the _certainty _of its
operations remains altogether unimpaired. The second step having been
a consequence of the _data, _the third step is equally a consequence of
the second, the fourth of the third, the fifth of the fourth, and so
on, _and not possibly otherwise, _to the end. But in proportion to the
progress made in a game of chess, is the _uncertainty _of each ensuing
move. A few moves having been made, _no _step is certain. Different
spectators of the game would advise different moves. All is then
dependent upon the variable judgment of the players. Now even granting
(what should not be granted) that the movements of the Automaton
Chess-Player were in themselves determinate, they would be necessarily
interrupted and disarranged by the indeterminate will of his antagonist.
There is then no analogy whatever between the operations of the
Chess-Player, and those of the calculating machine of Mr. Babbage, and
if we choose to call the former a _pure machine _we must be prepared
to admit that it is, beyond all comparison, the most wonderful of the
inventions of mankind. Its original projector, however, Baron Kempelen,
had no scruple in declaring it to be a "very ordinary piece of
mechanism--a _bagatelle _whose effects appeared so marvellous only from
the boldness of the conception, and the fortunate choice of the methods
adopted for promoting the illusion." But it is needless to dwell upon
this point. It is quite certain that the operations of the Automaton
are regulated by _mind, _and by nothing else. Indeed this matter is
susceptible of a mathematical demonstration, _a priori. _The only
question then is of the _manner _in which human agency is brought to
bear. Before entering upon this subject it would be as well to give a
brief history and description of the Chess-Player for the benefit of
such of our readers as may never have had an opportunity of witnessing
Mr. Maelzel's exhibition.

The Automaton Chess-Player was invented in 1769, by Baron Kempelen,
a nobleman of Presburg, in Hungary, who afterwards disposed of it,
together with the secret of its operations, to its present possessor.
{2*} Soon after its completion it was exhibited in Presburg, Paris,
Vienna, and other contin