31. The flue runs from the chimney to the boiler house site below the stamp battery. 32. Heat for the village is thus generated in a central boiler house with two boilers. 33. Workshops and heat engine laboratory, drawing hall, hydraulics laboratory and boiler house were separately constructed. 34. A small corrugated iron bathhouse is situated adjacent to the north of the boiler house . 35. The 1882 Boiler House had a square, tall smokestack. 36. Alterations to the boiler house at this stage saw six of the original boilers removed. 37. In the courtyard, the Old Boiler House is constructed. 38. A new mill and a boiler house was set up to accommodate this new production demand. 39. As a former cable tram depot the layout included an attached winding house and boiler house . 40. The oldest building in the complex is a three-story brick boiler house built c . 1836.