minutes without speaking a word and then sprung up. 'By George! I'll
do it!' And he started out of the room, and was not seen again until
night. His mother felt no anxiety. She was pleased; for, when her boy
was at work, he was happy, and she knew that he had enough now, to
keep him engaged for months to come.

So it proved. He spent several weeks in thought, before be made the
first effort toward constructing his greatest success of all. He then
enlarged his workshop, and so arranged it, that he would not be in
danger of being seen by any curious eyes. He wanted no disturbance
while engaged upon this scheme.

From a neighboring foundry, whose proprietor took great interest in
the boy, he secured all that he needed. He was allowed full liberty to
make what castings he chose, and to construct whatever he wished. And
so he began his work.

The great point was to obtain the peculiar motion of a man walking.
This secured, the man himself could be easily made, and dressed up in
any style required. Finally the boy believed that he had hit upon the
true scheme.

So he plied harder than ever, scarcely pausing to take his meals.
Finally he got the machine together, fired up, and with feelings
somewhat akin to those, of Sir Isaac Newton, when demonstrating the
truth or falsity of some of his greatest discoveries, he watched the
result.

Soon the legs begin moving up and down, but never a stop did they
advance! The power was there, sufficient to run a saw-mill, every