Antique wrought iron slag glass lamp (for parts or repair)

The shade doesn’t hold on the base, there are missing 2 holders and maybe something else, 1 glass is broken, the lamps is 9 lbs, 18H, the shade approx 15 x 15, electric cord, untested. Please carefully examine photos for condition details and use your computer mouse to Zoom and Enlarge the photos. For details, as is. ANTIQUE 19th Century Circa 1860s Wrought Iron Oil Lantern Electrified Table Lamp.