Edison Model S Cap Lamp ; hat lamp | head lamp | cap lamp | miner's lamp | mining lamp
miner's battery pack and head lamp
On lamp housing rim: "EDISON". On the battery pack: "EDISON | MODEL S CAP LAMP | Thomas A. Edison | PAT. NO. 2,871,281 | MADE BY MCGRAW - EDISON COMPANY | WEST ORANGE, N. J. U. S. A. ". On belt clip: "3".