Original oil and gas trade magazine vintage ad for THE M. W. KELLOGG COMPANY of NYC, NY. Greater Economy is Possible With Large Units. Operation of equipment installed the The M.W. Kellogg Company within the past two years has demonstrated conclusively that the greatest economy in the volume production of gasoline is obtained through large capacity combination units integrated to include the various processing steps. Unique 1934 old petroleum refinery industry magazine advertisement would look fantastic matted and framed. Nice graphics. Approximate size 10 x 13 inches.