Definition of "renumbering"

L.M.S. Numbers, Names and Classes; L.N.E.R. Second Renumberings; Stock Changes L.N.E.R., G.W.R., S.R. July, 1946. By A. J. Cresswell. […] The first three pages of this booklet consist of tables of second renumberings of L.N.E.R. locomotives where they differ from the new numbers selected in the original scheme and recorded in booklet No. Q 64 of this series.

1947 January and February, “Railway Literature”, in Railway Magazine, page 64