Rattus Praefurnium (Furnace i.e. "Boiler" Rat) Awarded to anyone who worked on or within the boiler -or- contributed to the thousands of hours spent rust scaling with needle scalers, busting loose staybolt caps, gridding and ultrasounding the boiler, welding on new staybolt caps, tapping for stud repairs, painting at 17 feet in the air, hanging pipes and running boards, building superheater bundles, loading flue tubes, etc. etc. etc. (just about anyone who has ever toiled on the 2926).