Yamamoto Rock Machine (Former Yamamoto Iron Works) Self-Governing Dormitory Family Building

Yamamoto Rock Machine (Former Yamamoto Iron Works) Self-Governing Dormitory Dining Hall and Recreation Room Building

Yamamoto Rock Machine (Former Yamamoto Iron Works) Self-Governing Dormitory Single Employees' Building

Yamamoto Rock Machine (Former Yamamoto Iron Works) Youth School

Yamamoto Rock Machine (Former Yamamoto Iron Works) Former Head Office and Main House

Yamamoto Rock Machine (Former Yamamoto Iron Works) Former Research Laboratory Building

Yamamoto Rock Machine (Former Yamamoto Iron Works) Finishing Factory

Yamamoto Lock Machine (formerly Yamamoto Iron Works) First

Yamamoto Lock Machine (formerly Yamamoto Iron Works) Toilet

Yamamoto Lock Machine (formerly Yamamoto Iron Works) Second

Sanrakuso Main Building