Bible Dictionaries
Thermophone
Webster's Dictionary
(1):
(n.) A portable form of telethermometer, using a telephone in connection with a differential thermometer.
(2):
(n.) A telephone involving heat effects, as changes in temperature (hence in length) due to pulsations of the line current in a fine wire connected with the receiver diaphragm.
Copyright StatementThese files are public domain.
Text Courtesy of
BibleSupport.com. Used by Permission.
Bibliography Information
Webster, Noah. Entry for 'Thermophone'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/t/thermophone.html. 1828.