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 362
is at a constant pressure inthe ash pit, but can only pass into the furnace throughthe tuyeres, the jets of air cutting through the roundedheap of incandescent fuel from opposite sides and ina direction inclined upwards. MECHANICAL STOKERS 351 Coal is supplied to the hopper either by hand, or… … FIGURE 123. ram carries forward 15 to 20 lbs. of coal. Connectedto the ram and moving in conjunction with it is a longrod extending through the retort near the bottom.Upon this rod are carried shoes that act as auxiliaryplungers and facilitate the movement of the coal.
