. Spons' dictionary of engineering, civil, mechanical, military, and naval; with technical terms in French, German, Italian, and Spanish . ^ èf Ä. ^ ■r The labour at a branch end can be managed by one boy; when Nos. 1 and 2 methods areadopted, a run-rider is of some service, as two connections have to be made, and at points often somedistance apart ; with No. 3 method a run-rider is not so necessary, but is generally two branches are worked opposite to each other the same amount of labour is is the name given in the North of England to a man or boy
. Spons' dictionary of engineering, civil, mechanical, military, and naval; with technical terms in French, German, Italian, and Spanish . ^ èf Ä. ^ ■r The labour at a branch end can be managed by one boy; when Nos. 1 and 2 methods areadopted, a run-rider is of some service, as two connections have to be made, and at points often somedistance apart ; with No. 3 method a run-rider is not so necessary, but is generally two branches are worked opposite to each other the same amount of labour is is the name given in the North of England to a man or boy who rides on the last tub ofthe set, for the purpose of signalling to the engineman in case of an accident; he also assists inconnecting the ropes to the set. Three methods of taking the ropes round curves will be seen on the sketches. Figs. 3943, No. 1 the curve has a large radius, and the tail rope is taken round a single sheave, and alonga narrow place, a pillar of coal supporting the roof between it 3943. and the curve. The curve inNo. 2 is of less radius, and nopillar is left. In No. 3, whichis generally adopted on veryshort
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Keywords: ., bookcentury1800, bookdecade1870, bookidsp, booksubjectengineering
