TWO:It is evident that when the parts of a machine are joined together, each piece which has contact on more than one side must have specific dimensions; it is farther evident that as many of the joints in a machine as are to accommodate the exigencies of construction must be without space, that is, they represent continued sections of what should be solid material, if it were possible to construct the parts in that manner. This also demands specific dimensions.
- 水処理薬品
- 簡易?小型貫流ボイラ?貫流ボイラ向けに開発した純正ボイラ薬品。








