The Mining Engineer, Količina 24Institution of Mining Engineers., 1904 |
Iz vsebine knjige
Zadetki 1–5 od 100
Stran 41
... miles , and 74 miles from east to west . The city itself is situated in the southern portion of the district on the slopes of the Grillo , Bufa and Bolsa hills , at an elevation of 8,178 feet above the sea . Zacatecas may be described ...
... miles , and 74 miles from east to west . The city itself is situated in the southern portion of the district on the slopes of the Grillo , Bufa and Bolsa hills , at an elevation of 8,178 feet above the sea . Zacatecas may be described ...
Stran 47
... miles east - south - east of the city . It has a general north - west to south - east strike , but , where it sweeps round the northern edge of the hill of grey trachyte , known as La Bufa , ‡ it has been bent considerably out of its ...
... miles east - south - east of the city . It has a general north - west to south - east strike , but , where it sweeps round the northern edge of the hill of grey trachyte , known as La Bufa , ‡ it has been bent considerably out of its ...
Stran 49
... miles from north - west to south - east , and 9 miles from north - east to south - west bears some resemblance to that of Zacatecas , although it is , if possible , still more complex . An older sedimentary formation , consisting of ...
... miles from north - west to south - east , and 9 miles from north - east to south - west bears some resemblance to that of Zacatecas , although it is , if possible , still more complex . An older sedimentary formation , consisting of ...
Stran 57
... miles of underground workings , and is still the deepest and the most extensive mine in the republic . It is a mistake to suppose that the enormous lode wrought was full of rich ores : although rich patches undoubtedly occurred here and ...
... miles of underground workings , and is still the deepest and the most extensive mine in the republic . It is a mistake to suppose that the enormous lode wrought was full of rich ores : although rich patches undoubtedly occurred here and ...
Stran 63
... miles south- east of Penshaw station . There are two pits , both of which are downcasts , one being 12 feet and the other 8 feet in diameter . This latter pit was sunk in 1774 , and has been drawing coals continuously since that date ...
... miles south- east of Penshaw station . There are two pits , both of which are downcasts , one being 12 feet and the other 8 feet in diameter . This latter pit was sunk in 1774 , and has been drawing coals continuously since that date ...
Vsebina
5 | |
9 | |
13 | |
16 | |
18 | |
22 | |
27 | |
60 | |
68 | |
85 | |
93 | |
108 | |
114 | |
126 | |
131 | |
144 | |
153 | |
159 | |
172 | |
180 | |
203 | |
215 | |
255 | |
275 | |
355 | |
359 | |
361 | |
365 | |
368 | |
482 | |
491 | |
498 | |
524 | |
530 | |
535 | |
549 | |
590 | |
598 | |
604 | |
650 | |
656 | |
676 | |
704 | |
711 | |
714 | |
718 | |
730 | |
751 | |
754 | |
765 | |
772 | |
779 | |
785 | |
793 | |
794 | |
804 | |
810 | |
Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
Alston Alston moor apparatus ARTHUR Barnsley Bishop Auckland boilers Boring vol Carbon cent Chester-le-Street Chesterfield coal coal-cutting coal-field coke coke-ovens Colliery Manager condenser cost County Durham cubic centimetres cylinder depth Derby district Durham EDWARD electric electric horsepower experience explosion feet gases GEORGE Glasgow H.M. Inspector Hall HENRY Hill horsepower House Inspector of Mines Inst Institute of Mining iron JAMES Johannesburg JOHN kilogrammes Leeds Limestone Limited Lindsay Wood London Marl-slate Mechanical Engineers mineral Mining and Mechanical Mining Engineers mining-engineers Nenthead Newcastle Newcastle-upon-Tyne North of England Northumberland Nottingham obtained output ovens oxygen P.O. Box paper Permian pounds per square PRESIDENT pressure Prof pump revolutions per minute Road ROBERT seam shaft Sheffield Sinking vol South Wales square inch Staffordshire steam Stoke-upon-Trent Street Terrace thick THOMAS timber tion tons Trans Transactions Transvaal turbine vein vote of thanks wagons Walsall West Whin Sill WILLIAM writer Yellow Sands
Priljubljeni odlomki
Stran 430 - ... with a cross section, not exceeding sixty square feet; (d) no district .shall have its length when parallel to the general trend of the adjoining shore greater than one mile; (e) a proposed system of working the mineral in each submarine area shall before work is commenced be submitted to and approved of by the Inspector; and no change shall be made in such approved system without the written sanction of the Inspector; (f) the opening of a new lift or level in a mine already working in a submarine...
Stran iv - The probability of finding workable seams of Coal in the Carboniferous Limestone or Bernician formation, beneath the regular Coal Measures of Northumberland and Durham, with an account of a recent deep boring made in Chopwell Woods, below the Brockwell Seam.
Stran 129 - President, in the Chair. The Minutes of the last General Meeting were read and confirmed. The following Annual Report of the Council was then read : — ANNUAL REPORT OF THE COUNCIL.
Stran 360 - Reconnaissances in the Cape Nome and Norton Bay Regions, Alaska, in 1900. By Alfred H. Brooks, George B. Richardson, Arthur J. Collier, and Walter C. Mendenhall.
Stran 358 - Sheet is properly drawn up so as to exhibit a true and correct view of the state of the...
Stran 550 - In a paper read before the North of England Institute of Mining and Mechanical Engineers, in 1898, Mr.
Stran 348 - Working Coal under the River Hunter, the Pacific Ocean and its Tidal Waters, near Newcastle, in the State of New South Wales.
Stran 579 - Lancashire boilers, each 30 feet long and 8 feet in diameter, working at a pressure of 100 Ibs.
Stran 227 - ... and such report shall be recorded in a book to be kept at the mine for the purpose, and shall be signed by the person who made the same.
Stran 348 - Engineers are the same as last year, namely the Midland Counties Institution of Engineers: the Midland Institute of Mining, Civil and Mechanical Engineers; the Mining Institute of Scotland ; the North of England Institute of Mining ami Mechanical Engineers: the North Staffordshire Institute of Mining and Mechanical Engineers: and the South Staffordshire and East Worcestershire Institute of Mining Engineers.