Creative Books

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From this it may be gathered that Tom was on the verge of
success. While not altogether satisfied with his progress, the
young inventor felt that he was on the right track. There were
certain changes that needed to be made in the apparatus he was
building--certain refinements that must be added, and when this
should be done Tom was pretty certain that he would have what
would prove to be a very quiet aeroplane, if not an absolutely
silent one.
The young inventor was engaged one day with some of the last
details of the experiment. The new motor, with the silencer and
the changed cylinders, had been attached to one of Tom's speedy
aeroplanes, and he was making some intricate calculations in
relation to a new cylinder block, to be used when he started to
make a completely new machine of the improved type.
Tom had set down on paper some computations regarding the
cross-section of one of the cylinders, and was working out the
amount of stress to which he could subject a shoulder strut, when
a shadow was cast across the drawing board he had propped up in
his lap.


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