"But it
says the best thing to use for the plates is tinfoil. Now, where are
we going to get the tinfoil from, I'd like to know!"
"If you want to know real badly, I'll tell you," said Bob. "Right out
of that box over in the corner. Just wait a minute and I'll show you."
Bob stepped swiftly over to the box in question and produced a big
ball of tinfoil, composed of separate sheets tightly packed together.
"When I was a kid I used to collect this stuff and sell it to the
junkman," he said. "This ball never got big enough for that, and I
forgot all about it until a few days ago when I happened to come
across it and thought that it would be just the thing for us to use
now. We can easily peel off all the sheets we need, I guess. Some of
them are damaged, but there are enough whole ones to do our trick."
"Gee, that's fine!" said Joe. "Pry off some, Bob, and let's see if
it will serve."
With his knife Bob pried away at likely looking places, and soon had
several large sheets off. These, when smoothed out, looked good enough
for any purpose.
"How many does the book say we'll need, Herb?" asked Bob.
"It says eight or ten, each one about four inches square," answered
Herb. "And it says they have to be separated by paraffined paper.
How are we going to get hold of some of that?"
"Paraffine wax is what they use to seal fruit jars," said Joe.
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