shed here. I don't believe in sneaking, but I know he wouldn't let
me in if I asked him, so I guess it's the only way. I'll go with
you, Ned."

"All right. We'll see if we can get a glimpse of Andy's queer
shebang through the window."

The two chums left Tom's shop, and were soon in the yard of Ned
Newton's house. As he had said, the big shed in Andy's premises came
close up to the fence, and there was a window through which one
might gaze. The casement did not appear to be curtained.

"I'll get a ladder so we can climb up to the top of the fence, and
look over," spoke Ned, as he and Tom went out into the yard back of
his house. The fence was high up on an embankment.

A little later Tom and his chum were gazing into the shop window
from the ladder.

"Why, it's a triplane--a big triplane!" he exclaimed.

"What's a triplane?" asked Ned, who didn't have much time to study
the different types of airships.

"It's one that has three sets of planes, one above the other. A
biplane has two sets of planes, and a monoplane only one. Triplanes
are larger, and, as far as I've been able to learn, not as
satisfactory as either the biplanes or monoplanes. But that's not
saying Andy's won't be a success. They certainly are busy in there,
though! Andy is flying around like a hen scratching for her little