Wood Systems. Bulletin No.1055 Form C Arc Lamps with Concentric Diffusers for Interior Lighting May 7, 1904
Fort Wayne, Indiana: Fort Wayne Electric Works 1904. 4 pages, stapled and two-hole punched. 8 x 10 1/2 inches. Page edges trimmed and then stained red. Very Good. Staplebound.
Illustrated. Discusses this form of lighting for interior use. More