[PrevPage] [Next] [INDEX ]  Volume 1   27 Mar. 1876    Page 79  [Source] [ NOTES ]
  1. A membrane was arranged as in Fig 1 w a thick copper wire, c a piece of copper disc underneath with a mere film of liquid be[?]. Little or no sound from the Receiver R or R'.

  2. Trans. and Line

  3. (Receiving) Instrument as arranged before. Sound much louder ­ especially from R' (Fig 2)

    4. Reed receiver

  4. With Receiver R. Fig 3 my father noticed that the sound was most audible when the spring S was not allowed to come into contact with the pole of the electro magnet.

  5. R + R' arranged on circuit as in Fig 4 ­ p.80.
[PrevPage] [Next] [INDEX ]  Volume 1   27 Mar. 1876    Page 79  [Source] [ NOTES ]