Show defect in wireless telegraphy it la Is remarkable that ahil wireless ire telegraphy has made mada strides very verl important have been almost entirely neglected much aluch attention has been paid to at and selectivity and also to the ho refinement ot of while the development of the antenna has boen been slow at the tae receiving station particularly not much has been be en done dene toward locating the antenna wires so ao an aa to intercept a maximum of wave energy aside from bra branoa un I 1 3 tan fan shaved grid which marked an a it epoch very little along this ila hue 0 h has as been extensively ten adopted to in practise |