[D8468ZCG], Legal Testimony, Thomas Alva Edison, 1884


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[D8468ZCG], Legal Testimony, Thomas Alva Edison, 1884

Editor's Notes

Affidavit: I and Sigmund Bermann filed on the [blank] day of [blank] a patent application for an improvment in [blank], that the history of the application set out in said appn is as follows: that in [blank] I stated to Bergmann and EH Johnson that in my opinion the theory of the electrical propogation of sound was incorrect and that a platina transmitter could be made that would talk as well as a carbon transmitter. They were so favorabily immpressed with my opinion, and the [drawings?] I gave supporting it, that they began experimenting. After moving to the corner of 17th & Ave B the subject was taken up by Bergmann on several different occasions.....My part of the invention consisted in the suggestion that if by any means the platina points could be so arranged that they would respond to every vibration & the effects of momentum entirely eliminated articulate speech could be maintained by braking of the circuit. Bergman devised & constructed the apparatus which in its working embodied my suggestion....." [text evidently continues beyond last page.]
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Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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