transducer

Updated: May 7, 2025

"It's mostly a job of adapting the sonarphone arrangement from our Fat Man suits in miniature." A tiny mike, Tom explained, would be installed on the inside of each face mask, with its output feeding to a sonar transducer on the exterior. The receiving transducers would feed from amplifiers to earphones.

Victor [pseud.] Appleton - Tom Swift and the Electronic Hydrolung