[PrevPage] [Next] [INDEX ]  Volume 1   2 Apr. 1876    Page 88  [Source] [ NOTES ]

    Sunday April 2nd 1876

  1. P plumbago taken from lead pencil, M mercury. The spring S vibrated with such amplitude as to strike the face of the magnet.

  2. The sound from S was loudest when the plumbago was caused to dip more deeply into the mercury.

    3. Noted April 2nd A.G.B. Copied April 6th M.G.H.
[PrevPage] [Next] [INDEX ]  Volume 1   2 Apr. 1876    Page 88  [Source] [ NOTES ]