Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 587
dered to be astepping-stone on the way to the use of mechanical stoking,and its advantages are usually reaped with the advantageswhich the latter offers. 273. Step-grates.—For the burning of fine coal, and par-ticularly in soft varieties where a large quantity of air is anecessity, a form of grate… … B 01LEK-SE1 TING. 5 29 leaving the space open which corresponds to the riser in stair-way construction for the passage of air. It will be seen thatthis construction permits abundance of access of air with littleor no possibility of coal dropping through the grate-surface.When the bars are laid…
Mechanical engineering · Steam power plants
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