Leeds 345 was built in 1921 as an open-balconied tramcar.
It was converted in 1938 by enclosing the balconies and changing the type of stairs. An internal bulkhead was also removed. Because of this the tramcar became known as a "Convert Car".
In 1948 the tramcar was withdrawn from service, and should have been scrapped. However, it lasted until the system closure in 1959, whence upon it was given to the National Tramway Museum who had acquired their site in the sam year. It was the first passenger carrying car to arrive at Crich, the first car being Cardiff 131, a water-carrier.
The tramcar was not restored immediately however, and went to the Clay Cross store in the 1980s.