| Projected |Cost per | in | Mile. | operation. | Plant. | progress. | ------------------------+-------------+--------------+-------------+-------- | Miles. | £ | Miles. | £ | | | | | | | | | | | | Massachusetts, Rhode | | Massachusetts, Rhode | | |Length of stroke. | | | Dewit Clinton| 230|28 |5·5 |21 |13·7|36 |1 |65 | -- |27 | -- |-- |1 |65 | 10 | -- | Utica | 200|21 |3·5 |22 | 9·5|24 |1 |39 | 10 | -- | Providence | 180|27.