Handbook of Rock Excavation, Methods And Cost
Handbook of Rock Excavation, Methods And Cost
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In our eReader you can find the full English version of the book. Read Handbook of Rock Excavation, Methods And Cost 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 Handbook of Rock Excavation, Methods And Cost
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2 Core checkers at $2. 75 5. -60 2 horses at $ . 75 1 . 50 1 Driver at W. 50 2. 50 1 Helper at $2. 50 - 2. 50 $29. 50 Erecting new shed and machine, 2^ days. Lumber, nails, tar paper, etc $40. 00 The crew at $1 7. 50 40. 83 2 Core checkers at $2. 75 12. 80 $93. 63 Total $134. 63 Instructions for Operating Diamond Drills. Fig. 60 shows the usual arrangement of mounting a drill for surface prospect work. If there is not a plentiful water supply at hand, a sump should be dug or barrels sunk in the... ground so that the water from the drill hole will settle therein and may be used repeatedly. After the machinery is properly set up, the drill spindle should be aligned usually by loosening a bolt on the yoke, thus per- mitting the entire swivel-head to be turned to the proper point. A drill rod is then passed through the hollow spindle and secured to the chuck. The water swivel or joint is screwed on the top of the rod and is connected by a hose to the pump. A short core barrel with core lifter and diamond bit is screwed to the lower end of the rod.
What to read after Handbook of Rock Excavation, Methods And Cost?
You can find similar books in the "Read Also" column, or choose other free books by Gillette Halbert Powers to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
2 Core checkers at $2. 75 5. -60 2 horses at $ . 75 1 . 50 1 Driver at W. 50 2. 50 1 Helper at $2. 50 - 2. 50 $29. 50 Erecting new shed and machine, 2^ days. Lumber, nails, tar paper, etc $40. 00 The crew at $1 7. 50 40. 83 2 Core checkers at $2. 75 12. 80 $93. 63 Total $134. 63 Instructions for Operating Diamond Drills. Fig. 60 shows the usual arrangement of mounting a drill for surface prospect work. If there is not a plentiful water supply at hand, a sump should be dug or barrels sunk in the... ground so that the water from the drill hole will settle therein and may be used repeatedly. After the machinery is properly set up, the drill spindle should be aligned usually by loosening a bolt on the yoke, thus per- mitting the entire swivel-head to be turned to the proper point. A drill rod is then passed through the hollow spindle and secured to the chuck. The water swivel or joint is screwed on the top of the rod and is connected by a hose to the pump. A short core barrel with core lifter and diamond bit is screwed to the lower end of the rod.
What to read after Handbook of Rock Excavation, Methods And Cost?
You can find similar books in the "Read Also" column, or choose other free books by Gillette Halbert Powers to read onlineMoreLess
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