You do realize that's a motorcycle piston in the press providing the pressure and seemingly the cauldron for the heat source? Looks about the right size for a 500 Triumph or 750 Triple. Noticed it because I've got one on my desk from a late, unlamented 72 Trident.
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Syke
“No one in this world, so far as I know — and I have searched the records for years, and employed agents to help me — has ever lost money by underestimating the intelligence of the great masses of the plain people. Nor has anyone ever lost public office thereby.”
H.L. Mencken, (1926)