[PrevPage] [Next] [INDEX ]  Volume 1   27 Mar. 1876    Page 80  [Source] [ NOTES ]

    Receivers as Transmitters

    When S was plucked with the finger the sound was steadily audible from R'.

  1. When sounds were sung into z of R' the notes were audible from R. Membrane Trans and Rcv.
  2. A spring S was fastened to a stretched membrane M + an electro magnet E fastened over it. Circuit as in Fig 5.
    Upon singing into A the sounds were heard from z or R' ­ + upon singing into z or R' the sounds were audible from A. The word "papa" uttered into z was intellig-

[PrevPage] [Next] [INDEX ]  Volume 1   27 Mar. 1876    Page 80  [Source] [ NOTES ]