George O. Smith,
Pandora's Millions
(1945)
“ Norton smiled wryly. "And what good is a duplicator with no place to plug it in? The power stations are down all over Mars.""In building this fence," said Keg, "you are working out the value of the duplicators. Now look, Norton, in order to make this thing tick, I want to know whether you and your motley crew are honest. There are enough of you to man every vacant power station on Mars. If you, as leader of this gang, will see to it that the stations are manned and running every minute of the day, I'll see that you are given the benefits of Fabriville's more massive duplicators. ”
