12/13/1912 Kammerhoff, Heinrich H Meno -- Memoranda
(Philadelphia and Reading Coal and Iron Co) Sales and service; Miner's safety lamp
[E1255]  Edison General File Series -- 1912: (E-12-55) Miner's Safety Lamp
[E1255AH; TAEM 252:436]
Courtesy of Thomas Edison National Historical Park.
no Images for this Document