Office of Steam Logo_1

Author Topic: Rider Ericsson Hot Air pumping Engine Model R01  (Read 782 times)

  • Full Member
  • ***
  • Posts: 597
Re: Rider Ericsson Hot Air pumping Engine Model R01
« on: May 02, 2023, 03:29:07 pm »
Wonder where that idea came from. Hmm.......