Ask. Explore. Discover. 🔎 Today, we're closing the book on this year's #AmericanArchivesMonth with one last underrated item from the #TeamBoeing Historical Archives team! Long before digital design, Boeing artists sketched aircraft concepts to help us visualize the future of flight. 🎨🖌️ Allison chose concept art from this creative chapter in aerospace history showing the Model 260 — each intricate detail crafted by hand, down to the 260's unique lift-cruise-fan propulsion system. #ArchivesMonth