Original heating trade vintage catalog for S. T. JOHNSON COMPANY, was located at 940-950 Arlington Avenue, Oakland, CA. Manufacturers of Rotary Oil Burner made for Heating Boiler. The Boiler-Burner Laddi Du-All Units set directly on the floor. Fully automatic, odorless, quiet and trouble free. Air-Conditioning Unit Selectair, Furnace Bankheat Pressure Type Burner. Disbound from a large 1938 home builders heating catalog, this unique old two page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro heating equipment library.