ure0952 ure0952
  • 02-04-2020
  • Computers and Technology
contestada

Who invented the speaker?

Respuesta :

udc7451 udc7451
  • 02-04-2020

Alexander Graham Bell patented his first electric loudspeaker (capable of reproducing intelligible speech) as part of his telephone in 1876, which was followed in 1877 by an improved version from Ernst Siemens.

Answer Link

Otras preguntas

Other than India, what countries or territories were created when India gained independence from the British in 1948?
State the domain of the function y=3/x
which of the following is not a metric base unit? meter mile liter gram
how much seconds are in 250 minutes?
polygon EFGH is similar to polygon JKLM, and EF and JK are corresponding sides. you know the perimeter of each polygon and you know the measure of GH. what can
Read the sentence below and answer the following question: What had been the study and desire of the wisest men since the creation of the world was now within
What is the value of x in the equation 1,331x3 − 216 = 0?
protection of habeas corpus means that? citizens cannot be punished without a trail. law cannot apply to past situations. citizens cannot be held without legal
how did mary leakey discovery change the modern understanding of prehistoric humans
Identify the option containing a sentence fragment. A. Even though she had the flu. Jill went to work. B. Jill had the flu. She went to work anyway. C. Even tho