Harding's Improved Counter, used to keep track of the revolutions of a beam engine in the Eastney Beam Engine house in Portsmouth

---

Size: 4577px × 3433px
Photo credit: © Louis Berk / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: beam, close-, counter, detail, eastney, engine, hardings, improved, portsmouth, revolution