single c. 1920's fully adjustable cast iron telescoping dietzgen drafting table base designed and fabricated by the eugene dietzgen co., principal factory, chicago, ills. the hard to find and highly sought after brushed cast iron three-legged drawing or drafting board base is fully functional with no breaks or cracks evident. embossed letter manufacturer markings found along the base. the brushed metal finish has been sealed with a clear coat finish.