NMFF.000148-6 (6168976420)

Album page with four photographs. (from top left)
1. The wing of N24 is carried ashore
2. The engines on N25 are readied
3. Expedition participants with the propellers of one of the flying boats at the mounting site
4. The wings are mounted on N24.

From the album about the Amundsen-Ellsworth polar flight 1925.