<page_title> NBR 224 and 420 Classes </page_title> <section_title> Summary </section_title> <table> <cell> 420 <col_header> Original number </col_header> </cell> <cell> 1887 <col_header> Rebuilt </col_header> </cell> <cell> 421 <col_header> Original number </col_header> </cell> <cell> 1887 <col_header> Rebuilt </col_header> </cell> <cell> 422 <col_header> Original number </col_header> </cell> <cell> 1890 <col_header> Rebuilt </col_header> </cell> <cell> 423 <col_header> Original number </col_header> </cell> <cell> 1890 <col_header> Rebuilt </col_header> </cell> </table>
In the NBR 224 and 420 Classes, the nos. 420/1 were rebuilt in 1887 and nos. 422/3 in 1890.