 | William Phillips - 1823 - 558 páginas
...Indies. In the latter it occurs in a vast lake, three miles in circumference, called the' Pitch lake ; the thickness of which is unknown. A gentle heat renders...protect them from that pest of the West Indian seas, the teredo or borer. Porcelain jasper occurs near the Lake. In a vein in Car ha rack mine in Cornwall,... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford - 1830 - 628 páginas
...as in the island of Trinidad, where it forms a lake three miles in circumference, and of a thickness unknown. A gentle heat renders it ductile, and, when...bottoms of ships, and is supposed to protect them from the toredo of the West Indian seas. The ancients employed bitumen in the construction of their buildings.... | |
 | John Holland - 1835 - 514 páginas
...Indies.* In the latter, it occurs in a vast lake, three miles in circumference, called the Pitch Lake; the thickness of which is unknown. A gentle heat renders...grease or common pitch, it is used for paying the bottom of ships. Bitumen enters into the composition of the black indurated shales which accompany... | |
 | John Holland - 1835 - 516 páginas
...Indies.* In the latter, it occurs in a vast lake, three miles in circumference, called the Pitch Lake ; the thickness of which is unknown. A gentle heat renders...grease or common pitch, it is used for paying the bottom of ships. Bitumen enters into the composition of the black indurated shales which accompany... | |
 | Francis Lieber, Edward Wigglesworth - 1835 - 608 páginas
...circumference, and of a thickness unknown. A gentle heat renders it ductile, and, when mixed with groase or common pitch, it is used for paying the bottoms of ships, and is supposed to protect them from the teredo of the West Indian seas. The ancients employed bitumen in the construction of their buildings.... | |
 | Charles Upham Shepard - 1835 - 690 páginas
...illuminating, for fuel in fire- works, in the manufacture of varnish and of black sealing-wax. Mingled with grease or common pitch, it is used for paying the bottoms of ships. The ancients employed Bitumen in the construction of their buildings ; the bricks of which the walls... | |
 | Francis Lieber, Edward Wigglesworth - 1838 - 618 páginas
...as in the island of Trinidad, where it forms a lake three miles in circumference, and of a thickness unknown. A gentle heat renders it ductile, and, when...bottoms of ships, and is supposed to protect them from the teredo of the West Indian seas. The ancients employed bitumen in the construe^ tion of their buildings.... | |
 | Charles Frederick Partington - 1838 - 1116 páginas
...as in the island of Trinidad, where it forms a lake three miles in circumference, and of a thickness unknown. A gentle heat renders it ductile, and when...mixed with grease or common pitch, it is used for painting the bottoms of ships, and is supposed to protect them from the teredo of the West Indian seas.... | |
 | William Phillips - 1844 - 834 páginas
...Trinidad; in the latter it forms with sand a lake three miles in circumference, called the Pitch Lake, the thickness of which is unknown. A gentle heat renders...common pitch it is used for paying the bottoms of common ships. The ancients employed bitumen in the construction of their buildings, and the Egyptians... | |
 | 1850 - 638 páginas
...in the island of Trinidad, where it. forms a lake three miles in circumference, and of a thickness unknown A gentle heat renders it ductile, and, when...bottoms of ships, and is supposed to protect them from the teredo of the West Indian seas. The ancients employed bitumen in the construction of their buildings.... | |
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Albania ; but no where so largely as in the island of Trinidad, where it. forms a lake three miles in circumference, and of a thickness unknown A gentle heat renders it ductile, and, when mixed with grease or common pitch, it is used for paying the bottoms... 