Thermo-coupler Sparrows Point

SPARROW'S POINT--January 20, 1999--A  Bethlehem Steel Sparrow's Point worker inserts a thermo-coupler into a vessel of molten steel in the basic oxygen furnace. He is standing behind a wall because of the intense heat. Photo by Perry Thorsvik/Staff
bal-thermocoupler-sparrows-point-20130605

( PERRY THORSVIK / / January 21, 1999 )

SPARROW'S POINT--January 20, 1999--A Bethlehem Steel Sparrow's Point worker inserts a thermo-coupler into a vessel of molten steel in the basic oxygen furnace. He is standing behind a wall because of the intense heat. Photo by Perry Thorsvik/Staff

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