When did Thomas Edison invent the electric voice recorder?

Ajester1176nitowski ∙

Lvl 1

∙ 15y ago

Updated: 4/16/2022

Thomas Edison announced his invention of the first phonograph the 21. November 1877, and it was patented on February 19, 1878.

Source: http://en.wikipedia.org/wiki/Phonograph

Elza Olson ∙

Lvl 13

∙ 3y ago

What else can I help you with?

When did Thomas Edison invent the electric chair?

Thomas Edison did not invent the electric chair Harold p brown did...

Did Lewis Latimer invent the electric lamp or did Thomas Edison invent it?

Lewis Latimer invented it, and he wrote a book with Thomas Edison.

Did Thomas Edison invent the electric automobile?

No.

What paper did Thomas Edison invent?

Thomas Edison did not invent paper. He was known for his inventions such as the phonograph and the electric light bulb.

Why did Thomas Edison invent the electric heater?

because

When did Thomas Edison invent the first electric voice recorder?

Thomas Edison announced his invention of the first phonograph the 21. November 1877, and it was patented on February 19, 1878.Source: http://en.wikipedia.org/wiki/Phonograph

What kind of light bulb did Thomas Edison invent?

Thomas Edison invented the Incandescent electric light.

What year did Thomas Edison invent the electric char?

in 1880

When did Thomas Edison invent the electric light station?

yes

When did Thomas Edison invent the electric power station?

1881

What did scientist Edison invent?

Thomas Alva Edison, in my opinion, invented the Electric Bulb.

Did Thomas Edison invent the electric chair?

No, Dr. E.A. Kennelly and Harold P. Brown invented the electric chair.

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