A photograph taken by Robinson on January 16, 1918, at Langley Field, Hampton, VA. This image shows the construction of a hydrogen plant. It is marked as "For Official Use Only."

---

Size: 9182px × 6303px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1, 111-sc, 111-sc-4996, 20th, activities, advancements, aerial, american, aviation, base, century, construction, defense, development, documents, early, effort, engineering, equipment, facilities, field, hampton, historical, history, hydrogen, images, industrial, infrastructure, langley, military, national, official, operations, personnel, photographs, photography, photos, plant, preservation, production, projects, records, robinson, secured, sites, states, subie, technology, united, va, war, work, world