History of the Granite Industry of New England, Volume 1

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authority of the National Association of Granite Industries of the United States, 1913 - Granite
 

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Page 88 - heathen." KNOX HOLE. A circular drill hole with two opposite vertical grooves which direct the explosive power of the blast. LEWIS HOLE. An opening made by drilling two or three holes near together and" chiseling out the intervening rock.
Page 88 - QUARRY. One in which the joints are either so close or so irregular that no very large blocks of stone can be quarried. CHANNEL. A narrow artificial incision across a mass of rock, which, in the case of a granite sheet, is made either by a series of contiguous drill holes or by blasting a series of holes arranged in zigzag order.
Page 13 - The wonder, however, was not that the granite could be broken into shape by such methods, but "that stone enough could be found in the vicinity of Boston fit for the hammer to construct such an entire building. But it seemed to be universally conceded that enough more like it could not be found to build such another.
Page 125 - Epitaph The handful here, that once was Mary's earth, Held, while it breathed, so beautiful a soul, That, when she died, all recognized her birth, And had their sorrow in serene control. "Not here! not here!" to every mourner's heart The wintry wind seemed whispering round her bier ; And when the tomb-door opened, with a start We heard it echoed from within, — "Not here...
Page 88 - Quarrymen's term for granite sheets produced by present compressive strain. STRATIFIED. A term applied to rock consisting of originally horizontal beds or strata. STRIKE. The direction at right angles to the inclination of a plane of bedding, a sheet, or joint, etc. STRIPPING. The material (sand, clay, soil, etc.) overlying a rock of economic value, which must be removed before quarrying.
Page 88 - GROUT. A term applied to the waste material of all sizes obtained in quarrying stone. GROW-ON. Quarrymen's term to designate the place where the sheet structure dies out, or the place where two sheets appear to grow onto one another. HARD-WAY. The direction at right angles to both rift and grain in which granite does not split readily. (See Cut-off. ) HEADING. A collection of close joints. HEADING-SEAM. See Joint. HEMATITE. An oxide of iron (Fe^) which when scratched or powdered gives a cherry-red...
Page 117 - For Digging a Grave for a white Person, man or woman, Nine Shillings. For Ditto, for Children carried by Hand, Four Shillings. For Ditto for a Negro Man or Woman, Six Shillings. For Ditto, to Twelve Years of age, Five Shillings. For Opening the New or Wall Tombs, Twelve Shillings. For opening the Old Tombs, or those that Stand in the midst of the Burying places, Fourteen Shillings. For Carrying the...
Page 59 - The high price demanded for granite for fifteen years past, and particularly for blocks of large dimensions, has had a tendency to discourage the use of it : and my object in engaging in the stone business was not to make money, but to make experiments in order to remove the obstructions to the extensive use of granite as a building material, and to ascertain the lowest price at which it could be afforded with the common facilities for doing business.
Page 48 - L-shaped section in order to obtain the greatest strength with the least weight and are sufficiently high so that the telescope will transit through.
Page 87 - ... in Bulletin 354 (pp. 70-72) additional data of the same sort, gathered in the granite quarries of Massachusetts, New Hampshire, and Rhode Island, were published. There is but little to add on this subject from the Vermont quarries. At Barre, wherever the sheets are imperfectly developed, this method is adopted : A thick rectangular block is obtained by channeling along a vertical rift, and also at two points along the hard way, at right angles to the rift, the fourth side being that of a joint...

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