As used in sections 4104.31 to 4104.37:(A) "Boiler" has the same meaning as in section 4104.01 of the Revised Code.(B) "Historical boiler" means a steam boiler of riveted construction that is preserved, restored, or maintained for hobby or demonstration.
Historical boiler definitions
Ohio Rev. Code Ann. § 4104.31, under Chapter 4104 | Boilers.
Ohio Rev. Code Ann. § 4104.31