Circa-1970's J&R Engineering Co. circulars which measures 8-1/2" x 11" each and are printed on one side only CONTENT: I can't get a definitive answer as to the year of these(finding 1960's-90's)so I am going with 1970's.These are 2 single sheets printed on one side only as shown and they are ORIGINALS. Excellent condition with some edge bumps