RAY DOLBY - COMMEMORATIVE SHEET WITH FIRST DAY CANCELLATION - HFSID 221439
Sale Price $289.00
Reg. $340.00
RAY DOLBY
An image of a pioneer amplifying device signed by the innovator of
sound.
Commemorative Sheet signed: "Ray Dolby", 8½x11. Depicts Lee
De Forest's "Device for Amplifying Feeble Electrical Currents", which was
patented in 1907, 11-cent Progress in Electronics stamp affixed,
postmarked New York, New York, July 10, 1973, FIRST DAY OF ISSUE.
Facsimile signatures of De Forest and three others at lower margin. Engineer
Ray Dolby (1933-2013) founded Dolby Laboratories in 1965. His innovations in
sound include the high-quality cassettes in car stereos and the
multi-channel digital surround sound in movie theaters. In 1989, Dolby
received an Oscar and an Emmy for his important contributions to motion pictures
and television. Vertical crease at far right. Overall, fine
condition.
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