In the daily use of King's1 device in the office it became much more of a burden to clean the feet after the ink had been applied than to make the records. Therefore the problem arose of obtaining the same accuracy in recording without soiling the feet and heels of the child.
The device to be described and illustrated resembles in appearance that described by King1 except that there is attached to the platform a rubber-covered double frame, hinged on the side, covering the strip of paper to be used for the record.
In the figure A depicts the device, which consists of a platform 6 feet (182 cm.) long and 14 inches (35.4 cm.) wide, built of ply wood. At one end is a roll of white wrapping paper, which may be either 9 or 12 inches (22.8 or 30.4 cm.) wide. The roll may be mounted