William Powell's Drafting Pen
Image:
Short Caption:
William Powell used this drafting pen while teaching courses on aeronautics at the Bessie Coleman Flying Club.
Credit:
National Air and Space Museum, Smithsonian Institution
Accession Number:
A20100223000
Photo Number:
NASM 2011-00615
Full Size Image:
Date:
2011
Media Type:
Artifact
Topic:
