All examples of the 600 class were scrapped from the late 1950s onwards.
A lap dog - the ultimate example of the talking class.
The first examples of the class entered service in September 1957 after a month of testing.
The submarine is the only surviving example of the class, having been a memorial and museum ship since 1981.
The last examples of the class were in use on secondary services until 1916.
"They are just following the example of the privileged class."
Impression materials are a good example of the former class.
Nine examples of the class have been preserved, including several in full running order:
Only three examples of the class remain, with two in their original form as Ws.
Five examples of the class were exported to Liberia; numbers: 3047, 3092, 3094, 3098 and 3100.