What Was the First Audio Ording?

S o s is not an achronym. It's just a code that was chosen because it's easy to code and easy to dis guish when you hear it. One letter is just three dots, and one letter is three dashes. The first telephone call in 18 76 - supposedly what it was was alexander graham bell calling his associate, thomas watson. But the more commonly cited example is thomas edison recording into his talking machine around 18 77. And i think he claimed that the first message recorded was him reciting mary had a little lamb a. Some evidence indicates maybe the real answer was that he was reciting the alphabet, or just saying