Show THE 1 marrs OF RADIO this summer marks the inaugural tion ot oi real portable radio receivers now radio need not be lett left at home the summer vaca vacation tion this year to be complete and up to the minute must include radio equipment it can ie be secured in a compact case which wll will provide endless entertainment an and bring the news ot of the day to the mountain camp as well as to the seashore hotel bungalow houseboat canoe yacht or automobile the greatest factor in making the portable radio receiver a practicable possibility has bas been the dry cell tubes the WD 11 WT IVD 12 and UV types have permitted the use ot of as many as a half a dozen tubes in a single radio receiving set dry cells of a standardized size are a universal commodity H T ot oi the radio corporation ot of american says they have so many different uses that they are found not only in the stock of the large radio shops but in the general store ot of the crossroads cross cress roads hamlet A few extra dry cells will insure satisfactory radio reception tor for months |