@KOOLjock1 posted:It's a MPC Engine. I can't believe Lionel still had Pill Elements in stock by this time, as they had been phased out after 1959.
NO MPC MIGHTY SOUND OF STEAM ENGINE IN STORAGE SHOULD HAVE POWER APPLIED UNTIL THE FOAM UNDER THE BOARD IN THE TENDER IS REPLACED.
Jon
Surprisingly the 1970 catalog list smoke pellets as item 2911. Once in a while they pop up for sale on auction sites.