Soldiers at Saunders Trade School in Yonkers, , are engaged in oxy-acetylene welding to mend castings during World War One. This photograph, taken by an undisclosed photographer on April 27, 1919, showcases the importance of this skill in military activities. It is classified as "For official use only."

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Size: 8508px × 5830px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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