“‘This we call a cab.’
“‘An’ this big wheel, what’s this fur?’
“‘That’s the driving wheel.’
“‘That big, black thing on top I s’pose is the chimley.’
“‘Precisely.’
“‘Be you the engineer what runs the machine?’
“‘I am,’ I replied, with the least bit of self-complacency.
“He eyed me closely for a moment; then, turning to his companion, he remarked,—
“‘Bill, it don’t take much of a man to be a engineer—do it?’”
The reader will perceive the distinction which we make between humbugs, quacks, and charlatans, though one individual may comprehend the whole.