Aug 16, 2025
Think deep... to solve the mysteries of the sea. Ad for Union Oil Company - 1961.
#vintage illustration#vintage advertising#shell#shell oil#shell oil company#big oil#oil companies#oil & gas#oil & gas industry#oil exploration#the 60s#the 1960s#petroleum#oil & gas companies#union oil#union oil company#union 76#gas#gasoline#oil refineries#gasoline refiners#offshore drilling#deep sea drilling
