"
"What will you do when your battery runs out?"
"Recharge it."
"Suppose you're not near a charging station?" "Well, Dad, of
course those are some of the details I've got to work out. I'm
planning a register gauge now, that will give warning about fifty
miles before the battery is run down. That will leave me a margin
to work on. And I'm going to have it fixed so I can take current
from any trolley line, as well as from a regular charging
station. My battery will be capable of being recharged very
quickly, or, in case of need, I can take out the old cells and
put in new ones.
"That's a very good idea. Well, I hope you succeed."
A few evenings after this, when Tom was busy in his machine
shop, he heard some one enter. He looked up from the gauge of the
motor, which he was studying, and, for a moment, he could make
out nothing in the dark interior of the shop, for he was working
in a brilliant light.
"Who's there?" he called sharply, for, more than once
unscrupulous men had endeavored to sneak into the Swift shops to
steal ideas of inventions; if not the actual apparatus itself.
"It's me--Ned Newton," was the cheerful reply.
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