Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 75
205. FURNACE GRATE, with dumping sections. Tup-per model grate. … 206. SHAKING GRATE for a boilerfurnace. The sectors are astride crossbars, and are rocked by a lever and con-necting rod to each tier of sectors.
Mechanical movements
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