To the Editor: Dr. Raimo's original model of "the new safety cap" for aspirin bottles was tested at the suggestion of Dr. William O. Robertson (then Director of the Poison Control Center at Children's Hospital, Columbus, Ohio). The same principle was involved as in the one recently reported by Dr. Raimo,1 and only the design of the cap differs. The original design had the pill receptacle permanently turned into the bottle when in storage, while the present design has the pill receptacle outside the bottle. This cap must be inverted and the pill receptacle turned into the bottle before one may acquire any aspirin.
Tests were performed with 30 inpatients, ages 2 to 5 years. These children were elective surgical and medical patients, cooperative, alert, well-oriented, of mixed intelligence and race, and without restrictions on their activities. In addition to the tests performed by Dr. Raimo, the children were