Ruler: Pure Oil Service Center. Material: wood, metal. Size:23" L. Description: wooden ruler - metal eyelet in center - rulers folds in two - blue print: "The Pure Oil Co. Strand Pure Oil Service Center Free Pick up & Delivery Waseca, Minnesota Phone 835-4610 - blue print on reverse side: "Minnesota Fishing Laws 1963 Inland Waters These are the latest Fishing Regulations released by the Department of Conservation Be a Sport If they don't measure up throw'em back."
