Very little information is known concerning the now closed Des Plaines Lamp Works. The only reference to its existence is in the book of Covington, which cites it as being one of the factories of the National Lamp Works of the General Electric Company.
Des Plaines, Illinois, USA.
The Electric Incandescent Lamp 1880-1925, E.J. Covington, NELA Press 1988, p.33.