Input (grade 6): Sixty three other trams built at Portswood 1908-31 Twelve trams built at Portswood in 1931, known as the "Pullmans".
Output (grade 9): Sixty three other trams were built at Portswood between 1908 and 1931 Twelve trams were built at Portswood in 1931 which became known as the "Pullmans".