tomsharpAug 14, 2024
In 1902, Reginald Fessenden invented the hot wire barretter based on an effect discovered by Humphry Davy in 1821. #Poetry #Science #History #Electromagnetism #Barretter #Fessenden (https://sharpgiving.com/thebookofscience/items/p1902b.html)
1902: Hot wire barretter - The book of science

In 1902, Reginald Fessenden invented the hot wire barretter based on an effect discovered by Humphry Davy in 1821.