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Wednesday Feb. 23d 1876

  1. The following improved form of Autograph Style has been made to-day but has not yet been tried.
    Ossicle Lever

    Compare Fig I page 12 and figs 1,2,+3 page 17.

  2. Following out the idea shown in Fig 3 page 13 I have had a Manometric Capsule constructed and arranged as in Fig 2 but have been unable to try it yet. Manometric Capsule It seems to me that this instrument may prove as useful in the examination of undulatory currents of electricity as a galvanometer has proved for ordinary continuous currents.
    An undulatory current (however powerful) scarcely affects a galvanometer needle -- because the alternate positive and negative impulses oppose each others action. They succeed each other so rapidly that the needle has not time to swing
    [PrevPage] [Next] [INDEX ]  Volume 1   23 Feb. 1876    Page 27  [Source] [ NOTES ]