Deltic phasing gear casing opened to show the 3DP straight spur gear trains

Size: 3898px × 4833px
Photo credit: © IMechE / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 3dp, c1957, casing, deltic, engine, engineering, engines, gear, history, manufacturing, napier, opened, phasing, science, show, son, spur, straight, trains