For Captain Evans and the firemen, it was a mechanical problem of increasing the water pressure enough to overcome physical resistance on the pavement. Ideally suited for the task were special monitor guns that forced water from two hoses through a single nozzle, mounted on a tripod. The fire department advertised these attachments as miracles of long-range firefighting, capable of knocking bricks loose from mortar or stripping bark from trees at a distance of one hundred
