[3] The larger railway ran from Carlisle, England.

The Bitterlees Branch does not appear on standard railway maps,[4] but it is clear on OS maps, though the station is not identifiable as such.

[5] The station's sole purpose was to serve the naval gun testing battery, built by Armstrong Whitworth.

[6] Most trains to the site consisted of military supplies, the passenger station was built to carry battery personnel and visitors, including royalty on at least one occasion.

In 1895 the Shalzada of Afghanistan and Suite observed naval firing, but was said to be especially impressed with the Maxim machine gun.