A Special Report to the Legislature Upon the Causes, Kinds, and Amount of Waste in Mining Anthracite, Band 3Board of Commissioners, 1881 - 2 Seiten |
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Report of Progress 1874-1889. A Special Report to the Legislature Upon the ... Franklin Platt Eingeschränkte Leseprobe - 2024 |
Report of Progress 1874-1889. A Special Report to the Legislature Upon the ... Franklin Platt Eingeschränkte Leseprobe - 2024 |
Häufige Begriffe und Wortgruppen
12 feet 25 per cent 62 Dust 66 wasted actual product amount of coal anthracite coal Baltimore vein basin bench Boat and Broken Boiler coal breaker record shows breaker waste breaking and screening Buck Mountain buckwheat coal cars for shipment Chestnut and Pea chestnut coal coal mined colliery cubic foot dirt driven Dust in tons Egg and Stove excess of actual excess percentage varies feet thick Figs gangway inches J. J. Stevenson lip screen Loading over lip loss lump coal Lykens Valley Mammoth bed Mammoth coal bed manways mesh pea coal percentage of waste picked at breaker postage pounds Price product over computed REPORT OF PROGRESS seam sent to market Shenandoah shipment to market shows as follows sizes Slate picked Small stove steamboat steep pitches taken timber Tons of coal total coal varied by months wagon wasted at breaker weigh scales white ash coals yards yield
Beliebte Passagen
Seite 24 - D5:, and is hauled away on the tramway, Z, across the trestling, YY, to the dirt bank, in small cars, which may be tipped on either side, called "dumpers." The slate and bone separated from this coal in part by the socalled slate picker screens, and in part by hand picking, containing a considerable quantity of good coal mixed with or adhering to it is collected in the slate picker hopper D., from which it is taken along the tramway Z1., to the boiler fires, and used as fuel. When it leaves the counter...