A Practical Treatise On Coal Mining
A Practical Treatise On Coal Mining
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In our eReader you can find the full English version of the book. Read A Practical Treatise On Coal Mining Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Practical Treatise On Coal Mining
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To quickly assess the difficulty of the text, read a short excerpt:
— Weight per yard, 28 lb. ; number of lines, 4 ; gauge of way, 22 inches.
" Tubs. — Average weight empty, 246 lb. ; ditto of coal contained, 360 lb. ; height above rails, 27 inches; diameter of wheels, 1 Of inches ; total number on ginney roads and in the pit, 980; number required for working ginney roads, 518, " Work Done. — 370 tons per day of 8| hours.
" The greater part of the main ginney road is on the surface ; the underground part is arched to the station, and is 4 feet 6 inches high. Tw...o ginney lines underground are worked by the main ginney, motion being transmitted by shafting and mitre gearing, working iinderneath the flat sheets at the station. Fig. 595. The main road rises from the engine at a gradient of 1 in 20 for 337 yards, and then falls towards the underground station at 1 in 17 for a distance of 286 yards.
No. 1 ginney is 1524 yards long, with a rise of 1 in 381 out-bye; and No. 2 ginney is 1060 yards long, with an average gradient of 1 in 48 dipping out-bye.
What to read after A Practical Treatise On Coal Mining?
You can find similar books in the "Read Also" column, or choose other free books by André, George Guillaume to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
— Weight per yard, 28 lb. ; number of lines, 4 ; gauge of way, 22 inches.
" Tubs. — Average weight empty, 246 lb. ; ditto of coal contained, 360 lb. ; height above rails, 27 inches; diameter of wheels, 1 Of inches ; total number on ginney roads and in the pit, 980; number required for working ginney roads, 518, " Work Done. — 370 tons per day of 8| hours.
" The greater part of the main ginney road is on the surface ; the underground part is arched to the station, and is 4 feet 6 inches high. Tw...o ginney lines underground are worked by the main ginney, motion being transmitted by shafting and mitre gearing, working iinderneath the flat sheets at the station. Fig. 595. The main road rises from the engine at a gradient of 1 in 20 for 337 yards, and then falls towards the underground station at 1 in 17 for a distance of 286 yards.
No. 1 ginney is 1524 yards long, with a rise of 1 in 381 out-bye; and No. 2 ginney is 1060 yards long, with an average gradient of 1 in 48 dipping out-bye.
What to read after A Practical Treatise On Coal Mining?
You can find similar books in the "Read Also" column, or choose other free books by André, George Guillaume to read onlineMoreLess
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