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单词 post and stall
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> as lemmas

post and stall
b. Mining. A pillar of coal or ore left uncut to support the roof of a mine working. post and stall = pillar and stall n. at pillar n. Compounds 2. Now historical.
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society > occupation and work > industry > mining > [noun] > for coal > types of
footrill1686
post and stall1793
long way1795
stall-work1811
long-wall1820
pitchwork1858
stoop-and-room1881
stonework1883
strait work1883
stumping1883
society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > pillar or area of unworked material
forbar?15..
pillar1591
whole1728
stalch1747
post1793
stenting1812
rib1818
stook1826
man-of-war1835
spurn1837
staple1839
barrier1849
shaft pillar1855
barrier-pillar1881
stoop1881
stump1881
1793 Earl of Dundonald Descr. Estate Culross 55 An alteration of the method of working Coal, viz. board ways fashion as at Newcastle, or the long way as in Shropshire, instead of post and staal.
1811 J. Farey Gen. View Agric. Derbyshire I. 188 The method of posts and stalls, or leaving large pillars and excavating chambers between them, is resorted to.
1839 A. Ure Dict. Arts 979 In the post and stall system, each man has his own room, and performs all the labour in it.
1883 W. S. Gresley Gloss. Terms Coal Mining Post, 1. (N[orth of England]) A solid block or pillar of coal.
1888 B. H. Brough Mine-surv. 7 The ‘post and stall’ system,..known..in Scotland as ‘stoup and room’, and the ‘long-wall’ system.
1964 A. Nelson Dict. Mining 340 Post-and-stall, a modified pillar-and-stall method of working, at one time widely used in South Wales... The stalls were driven narrow off the heading and then widened out, thus leaving posts or pillars of coal for the better support of the roof at the junctions.
extracted from postn.1
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更新时间:2024/11/10 22:36:59