[PrevPage] [Next] [INDEX ]  Volume 1   12 Mar. 1876    Page 47  [Source] [ NOTES ]

Sunday March 12th 1876

  1. The instrument shown on the preceeding page was tried again this morning - with the same results observed yesterday. The spring SS' was then fastened to a stretched membrane as suggested on Page 45, Fig 4.

    The electro-magnet E (Page 46) was then replaced as in Fig I.

    Result. The sound due to the vibration of the tuning-fork (arranged as in Fig 2. page 43) was so loud as to be clearly audible from A (page 46) even when the ear was distance two feet from A.

    2. Thoughts.

  2. New Transmitting Instruments to be constructed and tested. Dip Phone

    P and P' two platinum points. gg' wooden guard to prevent the acidulated water from reaching the membrane m.


[PrevPage] [Next] [INDEX ]  Volume 1   12 Mar. 1876    Page 47  [Source] [ NOTES ]