In order to ascertain how many hearths were in the house, it was necessary that the tax-gatherer should enter every room in it. 亚当·斯密.国富论.
In his description of this stove at that time Franklin also referred to the iron box stoves used by the Dutch, the iron plates extending from the hearths and sides, etc. 威廉·亨利·杜利特.世纪发明.