This is the earliest known model of the first narrow gauge locomotive in the world.

These opened in 1851 and built most of the railway's new broad gauge locomotives from 1859.

No standard gauge locomotives were acquired and the third track was removed after the war.

Although throughout the war they did manufacture narrow gauge locomotives.

It was the largest 2-foot gauge locomotive in Maine when delivered.

Five of these spent a short while working as broad gauge locomotives.

Three standard gauge locomotives are on display in the centre of the museum.

These were the first two standard gauge locomotives ever imported into China.

At the same time, 1 February 1876, another eight standard gauge locomotives were also acquired.

For narrow gauge locomotives with the class number 99 a similar scheme was chosen.