File:QuadraDisk.jpg
From Infogalactic: the planetary knowledge core
Size of this preview: 624 × 599 pixels. Other resolutions: 250 × 240 pixels | 1,321 × 1,269 pixels.
Original file (1,321 × 1,269 pixels, file size: 1.15 MB, MIME type: image/jpeg)
Summary
An RCA QuadraDisc recording. The color fringes around the reflections are caused by the ultrasonic signal that carries the difference information used to separate the four channels.
Licensing
Lua error in package.lua at line 80: module 'strict' not found.Lua error in package.lua at line 80: module 'strict' not found.
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 21:42, 7 January 2017 | 1,321 × 1,269 (1.15 MB) | 127.0.0.1 (talk) | <p>An RCA QuadraDisc recording. The color fringes around the reflections are caused by the ultrasonic signal that carries the difference information used to separate the four channels. </p> |
- You cannot overwrite this file.
File usage
The following page links to this file: