WWII Vintage USN Navy Fulton Flashlight - Tested/Works

Original WWII US Navy USN Fulton Handheld Permissible Electric Flashlight Fulton MFG Explosion Proof. "Approved for use in methane and air mixtures only" embossed on the belt clip side of the flashlight, along with the seal of the Department of the Interior, Bureau of Mines. Yellow lens. Working condition. Takes 3 standard "D" size batteries.