The remains of the castle mill - originally powered by water from the dam - survive.

The organ was originally powered by water from a reservoir above the church but is now electric.

Originally powered by a waterwheel, there is now a beam engine.

The line finally opened in 1891, and was originally powered by a gas engine.

Originally powered by a back water of the River Lea.

They were originally powered by a single solar cell, with a life of less than a decade.

Originally powered by acetylene gas, it has been converted to solar and wind power.

The mechanical parts were originally powered manually, now single electrical motor is used.

Originally powered by a water wheel it has worked using a turbine since 1890, which is housed at the rear of the building.

Originally powered by water, the kingdom has begun to collapse through lack of use.