Beijing the imperial palace hall beat copper cylinder sound10 large uranium cylinder qianqing outside on both sides of the eye-catching. The large copper cylinder glittering, against the red wall under the red line, rich hall after the emperor, gas blood is very strong. However, these large copper cylinder and the big iron old palace was not installed hungry activities, fire appliances but for water storage. Cylinder usually note huang wang water, ready to fire. In winter, was to prevent freezing, exclusive interior palace eunuch in charge of in cylinder jacket insulation and affix the colonel wind sleeve, cylinder bottom also ene charcoal fire, until the next spring when the withdrawal of the fire. After the establishment of the imperial palace museum, in order to prevent the water in the cylinder, cylinder bottom leakage holes are drilled. These large cylinder, bronze and cast iron for the ming dynasty. Gold casting in a copper cylinder are in the qing dynasty.
Autore: Luyinshi
