File:BobBlacksonsettingboiler zps7adae22c GeorgeThomasLoco.jpg

Bob Blackson shown setting the removable boiler on this 1-inch scale live steam locomotive. The loco was built by George Thomas in 1966. Photo by Bill Shields, from http://www.chaski.org/homemachinist/viewtopic.php?f=8&t=102147&start=24