Original oil and gas trade magazine vintage ad for MERCO NORDSTROM VALVE COMPANY, a Subsidiary of The Merrill Company. Was located at 121 Second St., San Francisco, CA, at Engineers Bldg in Cleveland, OH, at Masonic Temple Bldg in New Orleans, LA, at Peoples Gas Bldg in Chicago, IL, at 11 West 42nd St., New York City, NY, and in the Petroleum Bldg., Houston, TX. Factories were located in Oakland, CA and Belleville, NJ. Nordstrom Valves for Absorber and Scrubbing Towers. Unique 1928 old petroleum products refining equipment magazine advertisement would look sensational matted and framed. Nice graphics. Approximate size 10 x 13 inches.