Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 358
plate and adjoining the MECHANICAL STOKERS 347 fire brick arch. Fig. 120 shows the location of thearch and tile. In mechanical stokers of the uncler-feed type the airis supplied by forced draft. The American stoker consists of a horizontal con-veyor pipe into which the coal is fed from a hopper.The… … figure 120. standard 10-in. stoker is 72 in. Attached to the outerend of this conveyor pipe, and forming a part of it, isan iron box containing a reciprocating steam motorwhich, through the medium of a rocker arm and pawland ratchet wheel, drives a screw conveyor shaft thatslowly revolves within…
