[PrevPage] [Next] [INDEX ]  Volume 1   24 Feb. 1876    Page 32  [Source] [ NOTES ]
Manometric w/mirror

Spring Config Traces

  1. The spring S S (Figs 6 and 7) is glued to the membrane (m) and is acted upon by the end of the cylinder C. I tried t with notes of different pitches - and found that the curves produced were always of the two-headed pattern. (see a b c Fig 8). The Transmitting Instrument was a small parlor organ with the reeds R (Fig 6) arranged so as to make and break contact with a platinum point p when vibrating.
  2. I think that probably the most sensitive kind of flame galvanometer would be a Receiving Instrument like R (Fig 5, p.19) enclosed in a box which should be filled with gas. The flame at the burner should vibrate when the spring vibrates.

    [PrevPage] [Next] [INDEX ]  Volume 1   24 Feb. 1876    Page 32  [Source] [ NOTES ]