[Note this item is vintage advertising and not the actual equipment.] This is a vintage sales sheet from "Kahl Scientific Instrument Corp" featuring their "Hypsometer Components in Carrying Case," measures 8 1/2" x 11", illustrated, one page, printed on both sides, three binder holes in the left edge, and is dated 1976. Condition: There is no notable damage. See my listings for other unusual, interesting and fun vintage items. Multiple purchases are combined with a single postage charge. All items are shipped sleeved in plastic and packaged between sturdy cardboard.