Communication: primitive "tin can" concept. ©Bob Daemmrich

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Size: 2100px × 1386px
Location: Austin Texas USA
Photo credit: © Bob Daemmrich / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: acoustic, audio, cans, communication, communications, device, iwi, mechanical, phone, sound, speech-transmitting, string, technology, telephony, tin, transmission, vibrations, waves