474

MODERN STEAM PRACTICE.

must be fitted with a series of collars in the bushes for taking acorresponding series turned on one of the lying shafts, generallylocated near the engine end, although they are sometimes fitted atboth ends of the shafting. These bushes are fitted into the pillowblocks in the usual manner, and are secured with a cover and bolts,

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with oil cup cast on, and pieces left to form the pipes for the syphonwicks, having holes bored through the top brasses for each collaron the shaft. The block is cast with a long bottom piece, which isbolted down to a separate plate planed for its reception, and fittedwith joggles for firmly wedging the block and plate together, thelatter being securely joggled and bolted to the wrought-iron stan-