Sunday 29 July 2018

Does anyone know the history of the earth ground symbol



I Googled for hours, asked every EE professor in my college, then checked every electrical engineering book in my university's library (hours), and have found nothing about the history of the ground symbol. Please point me if you can.


Who coined it? What does the picture represent? I have many probable theories and almost no interest in theories.


Thank you




No comments:

Post a Comment

arduino - Can I use TI's cc2541 BLE as micro controller to perform operations/ processing instead of ATmega328P AU to save cost?

I am using arduino pro mini (which contains Atmega328p AU ) along with cc2541(HM-10) to process and transfer data over BLE to smartphone. I...