Original vintage oil and gas trade magazine ad for INTERNATIONAL NICKEL COMPANY, INC. of New York City, NY.  When you want Accurate Flow Metering Keep Your Eye on the Doughnut and Not on the Hole.  Monel Orifice Plates.  Odex Engineering and Equipment Company of Odessa, TX supplies Monel Orifice Plates.  Monel and other Inco Nickel Alloys solve many corrosion problems in petroleum drilling ad processing. Old 1953 petroleum industry advertisement.