Forest fire rate of spread with timers method

摘要

A timer for use in determining rate of spread of a forest fire utilizing an uninsulated case with a clock circuit operated by a temperature-operated switch, preferably a solder switch, and a method for determining the rate of spread of a forest fire utilizing said timers and computing the rate of spread of a forest fire from the time differences and the pattern of deployment of said timers on the floor of the forest.