Vintage Lantern.  
Kandem, Germany
 
This was the most important industrial designed lighting manufacture in Germany during 1900- 1930s. 
The glass shade has a light KANDEM sign on it.  There were a couple notable designers from the Bauhaus in Weimar who designed lighting for the company. 
This edition is from the 30s. Original glass. 
 
27in L 13in D