In 1966 they were admitted to the B class of the Soviet league.

They were similar in appearance to the B class but were largely constructed of steel.

The third W, 375, was not converted from the B class until 1943.

The B class lasted in service until the late 1880s.

They were mechanically similar to the 1952 built double ended B class.

Eligibility for this "B class" was restricted to drivers who were not more than 22 years old at the start of the season.

Another third of the B class specialises in mathematics.

In 1975 a B class Atlantic 21 lifeboat was sent to the station.

Gyrinus, which had won the B class the day before, appeared again.

The nine members of the B class entered service in 1891.