designs and calculations. On a large transparent sheet, compass and square in hand, he was copying what appeared to be a scale of some sort or other.
"Hello, Hump," he greeted me genially. "I'm just finishing the finishing touches. Want to see it work?"
"But what is it?" I asked.
"A labor-saving device for mariners, navigation reduced to kindergarten simplicity," he answered gayly. "From to-day a child will be able to navigate a ship. No more long-winded calculations. All you need is one star in the sky on a dirty night to know instantly where you are. Look. I place the transparent scale on this star-map, revolving the scale on the North Pole. On the scale I've worked out the circles of altitude and the lines of bearing. All I do is to put it on a star, revolve the scale till it is opposite those figures on the map underneath, and presto! there you are, the ship's precise location!"
There was a ring of triumph in his voice, and his eyes, clear blue this morning as the sea, were sparkling with light.
"You must be well up in mathematics," I said. "Where did you go to school?"
"Never saw the inside of one, worse luck," was the answer. "I had to dig it out for myself."
"And why do you think I have made this thing?" he demanded, abruptly. "Dreaming to leave footprints on the sands of time?" He laughed one of his horrible mocking laughs. "Not at all. To get it patented, to make money from it, to revel in piggishness with all night in while other men do the work. That's my purpose. Also, I have enjoyed working it out."
"The creative joy," I murmured.
"I guess that's what it ought to be called. Which is
