two bunks, like shelves that folded against the wall. Then, with an
armful of bed clothes, he retired to the big shed.

"Better use a little more liniment," advised the old man. "I don't want
you sore and stiff if you go with me."

Accordingly Jack and Mark rubbed their arms and legs well. Something in
the stuff must have been very soothing for they soon fell asleep.

It was broad day when the boys awoke. At first they could not realize
where they were. They saw a colored man moving about and cooking
something on the gasolene stove.

"Did yo' gen'men obtain a sufficient percentage of restful
slumberation?" he asked with a broad grin.

"We slept fine," said Mark.

"Washington, is breakfast ready?" asked Mr. Henderson, coming in from
the balloon shed.

"It am prepared," was the reply.

"Hello, boys! How did you sleep?" asked the inventor, observing that
Mark and Jack were awake.

"Fine!" they said in a chorus and with a smile.

"Well, wash up and we'll have something to eat. You'll find soap, water
and towels out in the shed," and he pointed to where he had just come