Show Necessities cf Modern Methods An unafTcInl estimate places at about 8000000 the number of telephones tele-phones now Ir tle In the world This aggregate has been reached In a little over 3o years Modern business would stagger for n season If the hello Instrument In-strument were to drop suddenly from availability Yet mich a dtaappcaiancu would In visible effect scarcely compare com-pare with nn unexpected lapse In tho electric light Invention development develop-ment practically of the Just 25 years |