WHA010864 - Nobel Brothers oil wells at Baku (Baky or Baki), Azerbaijan, on the Caspian Sea. Engraving from The Illustrated London News (London, 3 July 1886). Fuel. Hydrocarbon.
NOTE: Picture
quality on the Internet varies greatly. Different monitor settings
and browser software may display photos too dark or too light,
or with a colour cast. You may need to adjust the brightness & contrast
of your monitor.