The death mask of John Dillinger provided the liveliest attraction for the convention of the American Dental Association in St. Paul last week. The mask was made at the Dillinger postmortem, two hours after his killing. Chicago's enterprising Reliance Dental Manufacturing Co. got possession of the mask, had its white plaster surface painted with a verisimilitude which fascinated law-abiding dentists.
Another fascinating attraction for the dentists was their perennial standby, the machine which shows how much pressure is necessary to chew various foods. According to that cruncher, to chew bread crusts requires up...
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