Here is the first part in a series of the history of the oscilloscope, building up from the discovery electricity, to the first rudimentary measuring tools using frog legs.
View more at https://www.allaboutcircuits.com/news/early-history-of-the-oscilloscope-amber-and-frog-legs/.
Published by Department of EEE, ADBU: tinyurl.com/eee-adbu
