"For, Lo We live in an Iron Age--In the age of Steam and Fire " wrote a poet mesmerized by the engines that were transforming American transportation, agriculture, and industry during his lifetime. Indeed, by the nineteenth century fire had become America's leitmotif--for good and for ill. "Keeping the flame" was deadly serious: even the slightest lapse of attention could convert a fire from friendly ally to ravaging destroyer. To examine the cultural...