Mail contracts. Advertisement inviting proposals for carrying mails by airplane (or seaplane) on routes described, proposals to be received until noon, July 10, 1920.
Publication Title:
Mail contracts. Advertisement inviting proposals for carrying mails by airplane (or seaplane) on routes described, proposals to be received until noon, July 10, 1920.
Display Title:
Mail contracts. Advertisement inviting proposals for carrying mails by airplane (or seaplane) on routes described, proposals to be received until noon, July 10, 1920.