[PrevPage] [Next] [INDEX ]  Volume 1   10 Mar. 1876    Page 40  [Source] [ NOTES ]

    March 10th 1876

    The famous sketch

    1. The improved instrument shown in Fig. I was constructed this morning and tried this evening. P is a brass pipe and W the platinum wire M the mouth piece - and S the armature of the Receiving Instrument.

      Mr. Watson was stationed in one room with the Receiving Instrument. He pressed one ear closely against S and closed his other ear with his hand. The Transmitting Instrument was placed in another room and the doors of both rooms were closed.

      I then shouted into M the following sentence: "Mr. Watson - Come here - I want to

    [PrevPage] [Next] [INDEX ]  Volume 1   10 Mar. 1876    Page 40  [Source] [ NOTES ]