Page 4th Cover: of Maritime Reporter Magazine (November 15, 1971)

Whether you are coasting, fishing, dredging or towing,

Mobilgard 12 can keep you at it longer.

The Mobilgard 12 series oils provide complete lubrication for high- and medium-speed trunk engines.

Extensive shipboard use under severe operating conditions proved these benefits: • Improved engine cleanliness • Less piston ring wear • Less liner wear • Less port deposits • Bearing corrosion from acids prevented • Increased oil service life • Longer periods between overhauls

This means that Mobilgard 12 can give you more time at sea and save you money.

Mobil Oil Corporation, 150 E. 42nd St.,

New York, N.Y. 10017 m M ^ IB® M©bil

Marine Fuels • Marine Lubricants

Worldwide Marine Service