Show isotopes more uniform tobacco BOSTON americans soon goon may be ba smoking cigarettes of more uniform quality because a group of young scientists here has developed a way ot of harnessing radioactive radio active isotopes from oak ridge tenn tann I 1 the inventors founders of i Tracer lab inc have perfected 1 a measuring device known as the beta gauge which can dei within five millionths ot of an inch any variation in material in cigarettes tor for example it can measure a fraction of a grain of tobacco assuring uniformity in pack W S barbour jr president of the company believes the beta gauge Is only one step toward more extensive use of atomic energy in precise measurement ur coupled with a brown electronic recording instrument the device can be used for material control in manufacturing paper aluminum foil asphalt and rubber floor tile cellophane leather paper board textile yarn tinplate and other similar products this method of measurement in industrial processes is said to be superior to others especially where it Is important that no physical contact n t ac be cri io made with the mat material a 1 t to be measured the engineers said |