Kniha Coal Mining Geoffrey Hayes

Coal Mining

Jazyk: Angličtina
Väzba: Brožovaná
Vydavateľ: Bloomsbury Publishing
Dostupnosť: 50 % šanca
Prehľadáme celý svet
6.57
This book tells how mines evolved from simple bell pits into extensive networks of shafts and tunnel...

Informácie o knihe

Jazyk
Angličtina
Väzba
Kniha - Brožovaná
Vydalo
2000
Stránok
32
EAN
9780747804345
ISBN
0747804346
Enbook ID
01234591
Hmotnosť
98
Rozmery
144 x 209 x 4

Kompletný popis

This book tells how mines evolved from simple bell pits into extensive networks of shafts and tunnels and extending deep underground. It describes the methods used to drive tunnels through the rock and the machines that were developed to cut the coal. It explains how the coal was transported from the coalface to the shaft, a task performed variously by women or children with sleds of baskets, pit ponies, rope haulage systems, conveyors and locomotives, and it describes the winding engines used to lower men and equipment into the mine and to bring them and the coal back to the surface.

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