Photographs, a collection of nine 6 x 9 cm cellulose nitrate film negatives, six silver gelatin photographic prints and four laser prints, 4 x 3 to 5 x 3 ins, showing London & North Eastern Railway A4 class steam locomotive No 4468 Mallard on its record breaking 125 mph run. A total of nine images. Photographer H M (Max) Hoather.