Private Ferguson, Private Feder, and Private Lewis are seen in the interior of a ferrotyping room at the Signal Corps Photographic Laboratory in Paris, France. The photograph was taken in April 1918, and it is assigned the subject number 10330.

Royalty-Free Standard Commercial licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard Commercial license has no limitations and covers up to 15 users.