“It’s a test. It don’t do anything. Feel of it. Ain’t hot, is it?”

I touched the steel, touched the spindle that had been revolving so swiftly.

“No.”

“See if you can pull it out.” I tried, and failed. “Tight fit, you see,” Forgan told me. “But she’s been spinning in there for three days now, except when we stop her to measure once in a while. No oil, and no heat, and no wear.

“But what’s it all about?” I asked.

“That’s an oilless bearing,” Forgan explained, a little disgusted with my stupidity. “Piece of hard wood, filled with oil. Use the stuff to make wrist-pins and all, and you’ll never have to oil your chassis at all.”

The thing broke upon me.

“But does it work?” I asked.

“You see it,” he said. “It works here. Well, it’ll work anywhere.”

“And Ernie figured that out?”