0
Cup phones, also known as cup telephones, were invented in the early 19th century. The earliest known reference to this type of communication device dates back to 1816 when American inventor Charles Wheatstone described a device that used a taut string to transmit sound between two cups. This simple form of communication demonstrated the basic principles of sound transmission and laid the groundwork for later developments in telecommunication.
What else can I help you with?
What year were head phones invented?
what year were the head phones invented
What year were the head phones invented?
what year were the head phones invented
Did the Tudors have phones?
No :) Phones were not invented till the 1800s
Did tudors have phones?
No :) Phones were not invented till the 1800s
Why were LG phones invented?
LG phones were invented because some man wanted money
Who invented I phones?
Apple
Why was the mobile phones invented?
=mobile phones were invented because people wanted to communicate faster and at diffrent locations=
What state were phones invented in?
in papa new guinea, everybody knows that. but cell phones were actually invented in mars.
How did thy discover cell phones?
No one discovered cell phones. Someone named Dr.Martin Cooper invented cell phones. No one discovered cell phones. Someone named Dr.Martin Cooper INVENTED cell phones.
What was used before cell phones were invented to communicate?
Pay Phones
Who was the person who invented cell phones?
doctor martin cooper invented morden cell phones
When were sliding phones invented?
The sliding phones were probably invented a long time ago. when the phones had more technology they probably thought maybe they should invent something different.
