73 Pa. Stat. § 208-1
As used in this act:
A "tube" is an electron receiving tube or cathode ray tube (commonly known as a picture tube), designed primarily for use in a home type television or radio receiver, phonograph, tape recorder, or any combination thereof, or other home type electronic device or appliance.
"Used tube" or a "second-hand" tube is a tube which has been subjected to consumer or demonstrator use as an entity.
A "used component" is any part or material salvaged from a used or second-hand tube.
A "tube utilizing used components" is a tube which has not been used as an entity but which in the manufacture thereof has utilized one or more used components. Such a tube shall not be deemed to be a used or second-hand tube within the meaning of this act.
A "reactivated tube" is a weak, worn-out or defective tube which has been temporarily reactivated by the administration of a charge of high voltage electric current to the elements thereof.
"Person" means an individual, partnership, firm, association or corporation.
73 P.S. § 208-1