pictures@maryevans.com | +44(0)20 8318 0034
 ABOUT  EXPLORE    BLOGS  CONTACT  LOG IN   SIGN UP




Picture No 12695442
Date C.1900
Description Heliograph used by British army in Africa
Details

Heliograph used in the British army in Africa, probably during the Boer War (1899-1902). The heliograph is a wireless telegraph that signals by flashes of sunlight (generally using Morse code) reflected by a mirror.
Source Engraving in Album de la Science, page 155
Credit Mary Evans Picture Library
Restrictions

Thank you for visiting our website.

If you are interested in licensing this image please email us at pictures@maryevans.com or telephone us on +44(0)20 8318 0034.

If you are already registered to use this website, you can log in here.

ABOUT How to use us
Our history
Usage examples
Newsletter
Testimonials
PICTURES Artists' directory
Celebrity Anniversaries
Historical Anniversaries
Contributor Collections
Mood boards
Buy prints
SOCIAL MEDIA Facebook
Twitter
Instagram
CONTACT / LEGAL Contact us
Terms & conditions
Privacy policy
Cookies
Unsubscribe