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Model Steam Locomotives
7 ft. 8 in, singles, with their high-pitched boilers, show
whaf can he done in the direction of increasing ihe boiler
power of a single.
Fig, 21.—The G.W.E. Bogie Singles, The 4—2—2 Type.—The model of the G.N.R. single
(Fig. 20! shows a type of 4—2—2 engine fitted with driving wheels of the largest dimensions used in recent years, that
Fig, 22,—-Atlantic 3} in, Gauge Model Locomotive.
is to say, 8 ft. 4 in. diameter on tread. The boiler is, of course, limited in all directions except in length of fire box, and in this particular example the trailing wheel of the front bogie has very little lateral play owing fo the
close proximity of the crosshead and slide bars. In a18
