The Osborne Fire Finder is a type of alidade used by fire lookouts in order to find a directional bearing (azimuth) to smoke in order to alert fire crews to a wildland fire.
Read more about Osborne Fire Finder: History and Development, Use of The Fire Finder
Famous quotes containing the words osborne and/or fire:
“Why do I do this every Sunday? Even the book reviews seem to be the same as last week’s. Different books—same reviews.”
—John Osborne (1929–1994)
“As fire refines gold, so suffering refines virtue.”
—Chinese proverb.