Image: A black and white photograph taken on May 10, 1918, showing a section of the Machine Department in an airplane factory. The photograph is labeled as Miscellaneous Machine Department 9230 and is marked for official use only.

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.