early 20th century original national x-ray reflector company light fixture and shade product catalog

completely intact early 20th century three ring binder bound national x-ray company of chicago illustrated lighting catalog. the catalogs include the eye comfort lighting system catalog d, the curtis portable lamp, and x-ray reflectors catalog no 18. the original olive-green buckram cloth cover with the company name and location stamped on the front remains in good condition. minor bumping to the ends and corners. the 3 steel ring clasp system was patented by the irving-pitt manufacturing company, kansas city, mo. surface rust evident. the pages are worn and torn around the edges and the front cover page is detached from the rings. the first section contains twenty "temporary catalogue pages" which are on a thinner type of paper and have typewriter font with images glued into place. the national x-ray reflector company prided itself on "illumination from concealed sources." measures 7 x 9.5 inches