Oscilloscope and signal (frequency) generator, 1850

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Oscilloscope and signal (frequency) generator, 1850

3479958 Oscilloscope and signal (frequency) generator, 1850; (add.info.: Oscilloscope and signal (frequency) generator set up to give a Lissajous figure for two identical frequencies exactly 90 degrees out of phase.); Universal History Archive/UIG

Media ID 38321426

© Universal History Archive/UIG / Bridgeman Images

Audio Cylindrical Disk Disks Electricity Phonograph Production Record Records Sound Sound Recording System Vinyl Frequency Lissajous Oscilloscope

EDITORS COMMENTS
This print from 1850 showcases an oscilloscope and signal generator set up to produce a mesmerizing Lissajous figure. The two identical frequencies being displayed are precisely 90 degrees out of phase, creating a visually stunning pattern that is both intricate and harmonious. In this historical image, we catch a glimpse of the early days of sound recording technology, with cylindrical records and vinyl disks scattered around the workspace. The equipment in the photograph represents a pivotal moment in the evolution of audio systems, marking significant progress in the production and reproduction of music. The oscilloscope and signal generator depicted here played a crucial role in shaping the way we experience sound today. By capturing and analyzing electrical signals, these devices paved the way for advancements in phonograph technology and enabled us to make some of our first recordings with unprecedented clarity. As we marvel at this snapshot from the past, we are reminded of the ingenuity and innovation that have driven progress in the field of audio engineering. This image serves as a testament to human creativity and curiosity, inspiring us to continue pushing boundaries and exploring new frontiers in sound technology.

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