Shares now available in the Oceanic Marking & Marketing Corporation, formed for the purpose of manufacturing and distributing the Thalassograph, a device for marking on the surface of oceans, seas, and bays of sufficient extent, so that the sea lanes may be marked and properly divided for traveling, passing, left turns, &c.; and sponsoring advertisements, visible from passing airplanes, may be sold to defray the expense of the installation. Qualified investors will receive a stock certificate suitable for framing and a jar of water collected from the ocean, sea, or bay of sufficient extent of their choice. Write to “THALASSOGRAPH” in care of this Magazine.