One of the crudest imperfections of the past was
the wilderness of smoking chimneys which belched forth their blackness
and poison into the atmosphere. As you have noticed, our city is clean,
and the air above us is as clear as that above forests or fields."
"I suppose you use electricity for light and power," remarked Remand;
"but you need heat, too."
"We use electricity for heat also," was explained. "We get it direct
from the earth, also have it generated by water power, both from falls
and the waves of the sea, and transmitted to us. Some of these power
stations are hundreds of miles away among the mountains, and by the sea.
We have also learned to collect and conserve heat from the sun; so, you
see, we are well supplied for all purposes. This building," said the
instructor, pointing to the one in front of which they had stopped, "is
a furniture factory. Would you like to see it in working operation?"
"Yes; very much," said the King.
They entered clean, well-lighted, airy rooms where beautiful machinery
was being operated by well-dressed and happy-looking workmen.
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