mayflower colonial,is that a factory stamp,??....about 4" across

Used to maintain the very early steam engine on the Mayflower.  All the excitement about the landing masked the technological advance of that engine.

Quote from: Bill Houghton on April 29, 2018, 12:43:39 PM
Used to maintain the very early steam engine on the Mayflower.  All the excitement about the landing masked the technological advance of that engine.