In the UK, numbers of winning Premium Bonds (which were not strictly a lottery, but very similar in approach) were generated by an electronic machine called ERNIE.ng arms inside; the drum itself may or may not rotate.
In the UK, numbers of winning Premium Bonds (which were not strictly a lottery, but very similar in approach) were generated by an electronic machine called ERNIE. A "gravity pick machine" has a drum with rotating arms inside; the drum itself may or may not rotate.