Atomic Laboratories is located in Berkeley, CA in 1956. The Rayometer was a new self-calibrating ion chamber with the Cutie Pie geometry. It measures beta and gamma radiation. The range is from 5 mR to 50R. It has a built in alpha source for self-calibration. It sold for $119.50 in 1956.

Atomic Laboratories also offered a Ray-Alarm Crystal Radiation Detector for $30.

Atomic Laboratories Rayometer 1956