File:Trådtelefon-illustration.png
No higher resolution available.
Trådtelefon-illustration.png (588 × 404 pixels, file size: 18 KB, MIME type: image/png)
A tin can telephone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire. It is a form of mechanical telephony, where sound is converted into and then conveyed by vibrations along a liquid or solid medium, and then reconverted back to sound.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:46, 12 January 2016 | | 588 × 404 (18 KB) | Tbastaji (talk | contribs) | A tin can telephone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire. It is a form of mechanical telephony, where sound is co... |
You cannot overwrite this file.
File usage
The following 2 pages use this file:
