A Tribute to

Dr. J. Presper Eckert

Co-Inventor of ENIAC

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Pres' First Patent

This is the cover of the first patent Pres ever received.  It was for a method of recording sound for motion pictures and involved the "modulation of an electric arc" by a fluid.  Though never used in the film industry this idea influenced Pres' thoughts in the development of the Mercury delay line, an  early form of computer memory.

All text and images unless otherwise noted 2000 Daniel F. McGrath, Jr.