. Steam stops and safety valves. Coverage: 1860?-1920?. Source Imprint: 1860?-1920?. Digital item published 9-30-2005; updated 2-13-2009. 285 Steam stops and safety valves, by Le Van, William Barnet, 1829-

---

Size: 3163px × 1580px
Photo credit: © The Picture Art Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., 1860?-1920?., coverage, digital, imprint, source