[Product Diagram / Schematic] — DISPLAY CASE LIGHTING. Case Lighting with Small Units- Designed for Standard Base Lamps

New York: National X- Ray Refelctor Co, 1922. Now housed in a clear archival mylar sleeve. Broadside. One b/w photographic image and 7 b/w drawings. 16" x 10". A horizontal crease to center of broadside, and pencil and pen scribbling to upper half on the backside of poster. Withal, a VG copy.