The watermark in the lower right corner of the image will not appear on the final print.
Frame
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Dimensions
Image:
4.00" x 8.00"
Overall:
6.00" x 10.00"
Early Film Reel And Sound Coding Poster
by Sheila Terry/science Photo Library
Product Details
Early Film Reel And Sound Coding poster by Sheila Terry/science Photo Library. Our posters are produced on acid-free papers using archival inks to guarantee that they last a lifetime without fading or loss of color. All posters include a 1" white border around the image to allow for future framing and matting, if desired.
Design Details
Early film reel and sound coding. Four film reel frames from a DeForest Phonofilm 'The Bride' (featuring British comedian George Robey, 1869-1954).... more
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3 - 4 business days
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Artist's Description
Early film reel and sound coding. Four film reel frames from a DeForest Phonofilm 'The Bride' (featuring British comedian George Robey, 1869-1954). This film reel was used for the first 'tele-talkie' demonstration in August 1929 by the Scottish engineer and inventor John Logie Baird (1888-1946). The DeForest Phonofilm system recorded sound directly onto the film as parallel lines of varying density resembling a barcode, seen here on the right. A narrow slit of light passed through the variable-density track onto a photo electric cell, and this was then transmitted and converted back into sound. At this point, Baird was still developing his mechanical televion model, here using a Mechau continuous-motion projector, while the images were obtained by scanning with a 30-hole disc.
About Sheila Terry/science Photo Library
Science Photo Library (SPL) is the leading source of science images and footage. Sourced from scientific and medical experts, acclaimed photographers and renowned institutions, our content is unrivaled worldwide. Outstanding quality, accuracy and commitment to excellence are deeply embedded in our DNA. Science Photo Library inspires creative professionals and delivers engaging content of the highest quality for a wide range of clients in a variety of sectors. Visit sciencephoto.com for more information and stay connected on Twitter, LinkedIn, Instagram and Vimeo.
$44.56
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