The images on the envelope include several types of valves, a spigot, and a ship's capstan.
| Citation: | E. H. Frazier & Co East-Baltimore Iron and Brass Works, Envelope, March 10, 1871, Baltimore, [MD], Askew Family Papers. |
| Location: | East Carolina Manuscript Collection, Manuscripts and Rare Books, Joyner Library, East Carolina University, Greenville, NC 27858 USA |
| Call Number: | Askew Family Papers, #298.1.b View Collection |
