This website uses cookies to provide a rich user experience. Please consult our Cookie Policy to learn about what cookies this website uses, or to control the cookies you receive. You need do nothing if you are happy to receive cookies.
Look and Learn History Picture Library License images from £2.99
All images > LLB8001-049-01
396,938 of 419,774


Active selection:    
Professor David Hughes invented the carbon microphone in 1878. Microphones convert sound vibrations into electrical impulses. It was Sir Charles Wheatstone who coined the word "microphone." West and Sessler received a patent for a revolutionary new type of microphone in 1964.

Buy this image

Available worldwide for immediate download up to 3,928 x 4,073 pixels.


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

Can we help?

For volume pricing, high-res previews, credit terms, or any other queries, please contact us.