Cryptologic Bytes

"On This Date in History" Calendar

1876: First successful voice transmission over Bell's telephone.

Thursday, March 10, 2022

10 March 1876: The first transmission of voice over electric wires was from Alexander Graham Bell to his laboratory assistant Thomas Watson on March 10, 1876. This historic event was marked by Bell’s famous phrase, “Mr. Watson, come here! I want to see you.” This first telephone transmission took place at the Bell & Watson laboratory located at 5 Exeter Place in Boston.

Join or Renew a Membership

Anyone, anywhere can be a member of the NCF.

Become A Founder

The Founders' Group spearheads the capital campaign to build the new Cyber Center for Education and Innovation.

Donate to the CCEI Campaign

Be a part of the future - help us build a facility for the Cyber Center for Education and Innovation (CCEI).


Check out the Cryptologic Bytes Archives for a wide variety of articles on all topics related to cryptology, codes and ciphers, related publications, Museums, and more.