 As we descended farther from the surface, large masses of ice appeared, covering the sides of the precipices. Ice is raised in the buckets with the ore and rubble of the mine : it has also accumulated in such quantity in some of the lower chambers, that...  American Mechanics' Magazine - Seite 3181825Vollansicht - Über dieses Buch
 | 1823 - 450 Seiten
...as if to illustrate the manner of the catastrophe, — ' the became (panbalta) a pancake.' it is 15 fathoms thick, and no change of temperature above...against a notion now becoming prevalent, that the température of the air in mines -increases directly as the depth from the surface, Owing to the increasing... | |
 | Thomas Curtis - 1829 - 810 Seiten
...with the ore and rubble of the mine : it has also accumulated in such quantity in some of the lower chambers, that there are places where it is fifteen...the same ratio ; but it is explained by the width of this aperture at the mouth of the mine, which admits a free passage of atmospheric air. In our Cornish... | |
 | 1833 - 310 Seiten
...with the ore and rubble of the mine : it has also accumulated in such quantity in some of the lower chambers, that there are places where it is fifteen...change of temperature above prevents its increase. After much fatigue, and no small share of apprehension, we at length reached the bottom of the mine.... | |
 | Edward Daniel Clarke - 1838 - 610 Seiten
...with the ore and rubble of the mine : it has also accumulated in such quantity in some of the lower chambers, that there are places where it is fifteen...the same ratio ; but it is explained by the width of this aperture at the mouth of the mine, which admits a free passage of atmospheric air. In our Cornish... | |
 | Thomas Curtis (of Grove house sch, Islington) - 1839 - 812 Seiten
...with the ore and rubble of the mine : it has also accumulated in such quantity in some of the lower chambers, that there are places where it is fifteen fathoms thick, and no chanïe of temperature above prevents its increase. This seems to militate against a notion, now becoming... | |
 | 1840 - 494 Seiten
...with the ore and rubble of the mine : it was also accumulated in such quantity in some of the lower chambers that there are places where it is fifteen...increase. "This seems to militate against a notion now prevailing, that the temperature of the air in mines increases directly as. the depth from the surface,... | |
 | 1851 - 214 Seiten
...with the ore and rubble of the mine ; it has also accumulated in such a quantity, in some of the lower chambers, that there are places where it is fifteen...change of temperature above prevents its increase. After much fatigue, and no small share of apprehension, we at length reached the bottom of the mine.... | |
 | Royal Geological Society of Cornwall - 1871 - 776 Seiten
...buckets with the ore and rubble of the mine: it has also accumulated in such quantity in some of the chambers, that there are places where it is fifteen...thick, and no change of temperature above prevents its increase."—Ibid, p. 491. Browne, Ice-caves of France and Switzerland, passim. • " The Algonquin... | |
 | Royal Geological Society of Cornwall - 1871 - 794 Seiten
...buckets with the ore and rubble of the mine: it has also accumulated in such quantity in some of the chambers, that there are places where it is fifteen...thick, and no change of temperature above prevents its increase."—Ibid, p. 491. Browne, Ice-caves of France and Switzerland, passim. • " The Algonquin... | |
 | William Jory Henwood - 1871 - 766 Seiten
...rubble of the mine : it has also accumulated in such quantity in some of the chambers, that there arc places where it is fifteen fathoms thick, and no change of temperature above prevents its increase." — Ibid, p. 491. Browne, Ice-caves of France and Switzerland, passim. * " The Algonquin Company have... | |
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