Touch my arm when you find your thoughts somewhat concentrated." In a few moments she pressed the doctor's arm, and instantly the murmurous, bubbling hum of the battery began.

She, clasped Henry's hand a little firmer, but made no other sign.

The noise stopped.

The doctor was removing the clamps.

She opened her eyes and closed them again drowsily.
"Oh, I'm so sleepy." "You shall lie down and take a nap," said the doctor.
There was a little retiring-room connected with the office where there was a sofa.