"May I speak to one of them?" I asked the superintendent.

"Sure," said he.

I went up to a young woman who was working, if anything, more rapidly than the other girls at the same bench.

"Can you think, while you are doing this?" I asked.

"Yes," she replied, without looking up, while her fingers flashed on ceaselessly.

"About other things?"

"Certainly."

"How many cans do you fill in a day?"

"About thirty-four to thirty-five hundred on the average."

"May I ask your name?" She gave it.