| 单词 | shaft brattice |
| 释义 | > as lemmasshaft brattice a. (esp.) A partition for the purpose of ventilation in the shaft of a coal-pit ( shaft brattice), or in a drift, or other working of a colliery (drift, headways, or board brattice). ΘΚΠ society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > passage > ventilation passages or openings througher1645 thirling1686 air-pit1709 horse-head1747 sollar1778 airway1800 wind-hole1802 bearing door1813 air course1814 downcast shaft1814 upcast shaft (or pit)1816 buze1823 air road1832 raggling1839 thirl1847 brattice1849 intake1849 run1849 trapdoor1849 skailing1850 return1851 wind-road1860 breakthrough1875 wind-way1875 breast1882 cross-heading1883 skail-door1883 U.C.1883 undercast1883 vent1886 furnace-drift1892 1849 G. C. Greenwell Gloss. Terms Coal Trade Northumberland & Durham 11 Shaft or main brattice is usually made of 3-inch Memel plank..Common brattice is made of ½-inch American deal..It is nailed to props set for the purpose (called brattice props). 1860 Times 10 Dec. 10/2 Where only one shaft is sunk..a downcast and an upcast are created by running an airtight partition, or ‘brattice’ to the bottom. 1883 Standard 23 Nov. 3/7 Gas still showed..on both sides of the brattice. < as lemmas |
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