Bible Dictionaries
Telethermograph

Webster's Dictionary

(1):

(n.) A record of fluctuations of temperature made automatically at a distant station.

(2):

(n.) An instrument, usually electrical, making such records.

Bibliography Information
Webster, Noah. Entry for 'Telethermograph'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/telethermograph.html. 1828.