. Chemins de fer français . ) brûlé par l'ensemble des moteurs de cette classe (4-4-2) était de 49 lb^., et dans les années suivantes, en juin, lorsque les conditions météorologiques étaient moréfavables, il était de 45 lb^. Il faut se rappeler que le poids moyen de tous les trains peut être de 275 tonnes (hors moteur et tendre), et que la vitesse moyenne était probablement plus élevée que moins de 55 miles par heure. Le nouveau moteur 4-4-4 avec la chambre de combustion à eau. N° 2.741, a travaillé peut-être supérieur à tous les moteurs plus anciens. Avec 298 tonnes behindthe tendre, elle a atteint 14:1 miles par heure sur le thelevel, et, avec le même tr
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. French railways . )burned per mile by the whole of the engines ofthis class (4-4-2) was 49^ lb., and in the followingJune, when the weather conditions were morefavourable, it was 45^ lb. It must be rememberedthat the average weight of all the trains may betaken as 275 tons (exclusive of engine and tender), and that the average speed was probably ratherover than under 55 miles an hour. The new 4-4-4 engine with the water-tubefirebox. No. 2.741, did work perhaps superior toany of the older engines. With 298 tons behindthe tender she attained 14:1 miles an hour on thelevel, and, with the same train, up the 8-milebank from Staples, the last 3 miles of whichare at 1 in 133, she did not get below 56f milesan hour. Some of the express trains on the Nord, whichstop frequently, are worked by six-coupled engineswith wheels 5 feet 9 inches in diameter (4-6-0).That these engines are by no means unable to 100 FRENCH RAILWAYS run fast was made apparent by one of them—No. 3.515—with a load of 305 tons, attaining a. 4-6-0 FOUK-CYLINDER COMPOUND ENGIXB (NORD). speed of 736 miles an hour down the bank of1 in 200 between Survilliers and Paris. But, FRENCH RAILWAYS 101 as was to be expected, though the engine wasin first-rate order and ran with great smoothness, she did not reach this speed so easily as the4-4-2 engines with bigger driving wheels. On the other French railways, I have neverseen anything at all approaching the best workdone on the Nord. The fastest booked run ofthe Sud express on the Paris-Orleans, that fromLes Aubrais to St. Pierre, where 72 minutes areallowed for the exceptionally easy length of 69 imiles, I have twice seen done in rather less thanthe booked time, and on other occasions have beenwith the trains when start to stop runs of between55 and 58 miles an hour have been performed.But when I have been present, the loads havealways unfortunately been very light. Perhapsthe best run on the main line, in which I havetaken part, was from St. Pierre to Les Aubrai
