 | 1921 - 1548 páginas
...their profits to 6 per cent. Municipal yards as a rule sell at cost. MANUFACTURE OF SAWDUST BRIQUETS.1 Practically all of the European machines use some kind of binder mixed with the sawdust, or rely upon the resinous material in the wood to hold the briquet together, but American... | |
 | United States. Department of Agriculture - 1919 - 54 páginas
...their profits to 6 per cent. Municipal yards as a rule sell at cost. MANUFACTURE OF SAWDUST BRIQUETS.1 Practically all of the European machines use some kind of binder mixed with the sawdust, or rely upon the resinous material in the wood to hold the briquet together, but American... | |
 | 1945 - 12 páginas
...using .mechanical binders cooling troughs are unnecessary. Several European briquetting methods employ some kind of binder mixed with the wood waste or rely...upon the resinous material in the wood to hold the briquets together. In this country, cohesion of particles in briquets is obtained by employing pressures... | |
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... wood should be considered entitled to a reasonable profit on the costs of his operation. Some of the " war fuel companies " which were formed during the fuel crisis in the winter of 1917-18 limited their profits to 6 per cent. Municipal yards as a... 