Semi-indirect lighting with a new unit practical for any purpose : that is more efficient than any other lighting unit on the market (1920)
Luminous Unit Co. · Luminous Unit Co. · leaf 24
THE LUMINOUS UNIT COMPANY 2615 Washington Avenue ST. LOUIS, MO. … Illustrating Method of Attaching Pull Switch Extra Length of Chain Stems \ ^ing|e at %C per l°ot- | 1 nple at oUc per toot. Pull Switch with 10-foot Linen Cord, extra 31-50 each. SEMI-INDIRECT LIGHTING is recognized by Lighting Experts as the bestprinciple for proper illumination. The intensity of…
