Lee de Forest

Active selection in cart:
Lee de Forest. Long distance wireless transmission became possible with the improvement made to the radio valve by Lee de Forest in 1906. Here are four versions of his valve. De Forest is shown below with the transmitter he used in 1906 to broadcast the voice of the famous tennor, Enrico Caruso.

License this premium image

Available worldwide for immediate download up to 4,257 x 3,758 pixels. This image may be licensed for any specified use.

Instructions

  1. Log in or Register (in 30 seconds)
  2. image(s)
  3. Click on Go to cart
  4. Choose intended use or request a quote
  5. Confirm terms & conditions
  6. Pay by card, PayPal or bank transfer

Can we help?

Look and Learn is one of the world’s leading sources of historical and cultural images for personal and commercial use. Feel free to contact us with any questions or requests.

Links