Locomotive test report, London & North Eastern Railway, D49 4-4-0
- Made:
- 1929 in Darlington
Locomotive test report, London & North Eastern Railway, D49 4-4-0 No 352, Lentz valve gear with rotary drive, No 236 piston valve gear, No 329 Lentz valve gear with oscillating drive, comparartive tests between piston and Lentz valve gear, November - December 1929, Darlington. (NRM Technical Archive Reference TEST/LNER/4)
