Wootten and Belpaire are types of ‘what’ found in steam locomotives?
Wootten firebox Wootten firebox The Wootten firebox is a type of firebox used on steam locomotives. The firebox was very wide to allow combustion of anthracite waste, known as "culm". Its size necessitated unusual placement of the crew, examples being camelback locomotives. The Wootten firebox made for a free-steaming, powerful locomotive, and the cheap fuel burned almost smokelessly; the combination made for an excellent passenger locomotive, and many camelbacks operated in this service. John E. Wootten was the Superintendent of Motive Power for the then Philadelphia and Reading Railroad (later simply the Reading Railroad) from 1866, and General Manager of the system
GE steam turbine locomotives a variety of different capacities, including both passenger and perishable freight service, although they never entered regular revenue service; in June 1939, the railroad returned them to GE in Chicago for what UP president W. M. Jeffers called "necessary modification and/or reconstruction". While UP retained interest in the concept of steam turbine locomotives for the next two years, in December 1941 it decided to end its agreement with GE. Rail transport author Brian Solomon opines that this was due to the development of other types of locomotives, particularly the 4-8-8-4 "Big Boy" steam locomotives, EMD E-units, and EMD FT freight