 | 1838 - 520 sider
...Austell, however, or its celebrated " stream-works," he favours us with a further sketch :' — ' " This parish has long been celebrated for its stream...containing tin ore. They are generally found in deep valleys where rivulets flow, which are used in separating the tin ore, by its inferior specific gravity,... | |
 | 1838 - 730 sider
...parish of St. Austell was remarkable, and the nature of which is described as follows by Dr. Boase. "This parish has long been celebrated for its stream...ore, by its inferior specific gravity, from common atones or pebbles ; hence the name of ' stream-works.' The nature of these deposits varies according... | |
 | 1838 - 734 sider
...parish of St. Austell was remarkable, and the nature of which is described as follows by Dr. Boasc. "This parish has long been celebrated for its stream...containing tin ore. They are generally found in deep Tallies where rivulets flow, which are used in separating the tin ore, by its inferior specific gravity,... | |
 | Perry Fairfax Nursey - 1838 - 510 sider
...St. Austell, however, or its celebrated " stream-works," he favours us with a further sketch : — " This parish has long been celebrated for its stream...containing tin ore. They are generally found in deep valleys where rivulets flow, which are nsed in separating the tin ore, by its inferior specific gravity,... | |
 | 1838 - 510 sider
...St. Austell, however, or its celebrated " stream-works," he favours us with a further sketch :— " This parish has long been celebrated for its stream...containing tin ore. They are generally found in deep valleys where rivulets flow, which are used in separating the tin ore, by its inferior specific gravity,... | |
 | 1838 - 520 sider
...celebrated "stream-works," he favours us with a further sketch : — " This parish has long been celebrate j for its stream works, which are diluvial beds containing tin ore. They are generally found in deep valleys where rivulets flow, which are used iu separating the tin ore, by its inferior specific gravity,... | |
 | Joseph Polsue - 1867 - 448 sider
...building material. This chlorite slate also contains, in the cove at Duporth, a bed of compact magnosian rock, abounding in Asbestos, and passes on either...has long been celebrated for its stream works, which arc diluvial beds containing tin ore. They are generally found in deep valleys where rivulets flow,... | |
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This parish has long been celebrated for its stream works, which are diluvial beds containing tin ore. They are generally found in deep valleys where rivulets flow, which are used in separating the tin ore, by its inferior specific gravity, from common... 