A non-code horizontal return tubular boiler may not be installed or operated as a power boiler unless it was in use in this State before January 9, 1936.
02-041 C.M.R. ch. 12, § 7
A non-code horizontal return tubular boiler may not be installed or operated as a power boiler unless it was in use in this State before January 9, 1936.
02-041 C.M.R. ch. 12, § 7