CC0 · no rights reserved
Drafting Pen, William J. Powell
From the collection of National Air and Space Museum. Free to download, adapt and use — no permission needed.
About this work
Metal drafting pen with dial used to control ink line thickness.
National Air and Space Museum’s own descriptionCredit lineDrafting Pen, William J. Powell. c. 1920s-1930s. William J. Powell. National Air and Space Museum, Gift of William J. Powell, III. CC0.
