steam locomotive anatomy

During the year 1930 there was one engine which as on hype named as 'Ricardo' sleeve valve engine. Mirrlees the period introduced two Mirrleesengines represented this patent type of the valve engine. Well the first kind had bore of around 5.5 inches and developed a stroke of just about 6.5 inches and produced 20BHP each cylinder at rate of 900 r.p.m. the other had 17 inches bore and 21.5 inches stroke, giving 50BHP per cylinder on the rate of 200 r.p.m. William went on a marvelous journey six hundred years back over time along with his nanny, Mrs. Phillips, inside first book, The Castle in The Attic. He met Sir Simon and defeated the villain, Alastor. This book starts with William being a couple of years older and Mrs. Phillips sent him a birthday present, the charm of Janus used inside the first book. The charm can be used to shrink and un-shrink things, animals, the ones. Then, if these shrunken folk spend the night time in the castle in William's attic, they wake up inside past. The attic is finished, along with a forest is away from castle.