[PrevPage] [Next] [INDEX ]  Volume 1   10 Mar. 1876    Page 45  [Source] [ NOTES ]

    a battery.

  1. The indistinct and muffled effect of the articulation is probably due to the imperfection of the Receiving Instrument. The spring S was pressed so slosely between the ear and the Capsule pole of the magnet that it had no room for vibration. Fig 4 shows new form of receiver to be constructed.
      C is a capsule. M membrane. SS' steel spring fastened to the membrane. The electro-magnet is arranged so as to have one negative pole N and two positive poles PP. The spring SS' is in metallic contact with the positive poles P,P', and the negative pole N can be adjusted nearer or farther from the spring.

Noted by A.G.B.
March 12th 1876
G.G.H.
M.G.H. March 12th,/76

[PrevPage] [Next] [INDEX ]  Volume 1   10 Mar. 1876    Page 45  [Source] [ NOTES ]