 | Mungo Park - Africa - 1807 - 594 pages
...in breaking the iron stone. The furnace was a circular tower of clay, about ten feet high, and three in diameter ; surrounded in two places with withes,...heat. Round the lower part, on a level with the ground (but not -so low as the bottom of the furnace, which was somewhat concave), were made seven openings,... | |
 | William Fordyce Mavor - Africa - 1808 - 402 pages
...about ten feet in height, and three in diameter, surrounded in two places with withes to prevent it from cracking and falling to pieces by the violence of the heat. Round the lower parts, on a level with the ground, (but not so low as the bottom of the furnace, which is rather concave,)... | |
 | Mungo Park - Africa, West - 1813 - 374 pages
...furnace, and assist them in breaking the iron-stone. The furnace was a circular tower of clay, ;ibout ten feet high, and three feet in diameter, surrounded...heat. Round the lower part on a level with the ground, but not so low as the bottom of the furnace, which was somewhat concave, were made seven openings,... | |
 | Mungo Park - 1816 - 520 pages
...in breaking the iron stone. The furnace was a circular tower of clay, about ten feet high, and three in diameter ; surrounded in two places with withes,...heat. Round the lower part, on a level with the ground (but not so low as the bottom of the furnace, which was somewhat concave), were made seven openings,... | |
 | Mungo Park - Africa - 1816 - 576 pages
...in breaking the iron stone. The furnace was a circular tower of clay, about ten feet high, and three in diameter ; surrounded in two places with withes,...heat. Round the lower part, on a level With the ground (but not so low as the bottom of the furnace, which was somewhat concave,) were made seven openings,... | |
 | Mungo Park - Africa - 1825 - 188 pages
...root of a plant. The manufactures in iron are not numerous. There was a smelting fumacenear Kainali", a circular tower of clay, about ten feet high, and three feet in diameter, encircled in two places with withes, to prevent the clay from cracking and falling to pieces by the... | |
 | Mungo Park - Africa, West - 1840 - 262 pages
...them in breaking the iron-stone. The furnace, which is represented in our engraving in page 122, was a circular tower of clay, about ten feet high and...heat. Round the lower part, on a level with the ground (but not so low as the bottom of the furnace, which was somewhat concave), were made seven apertures,... | |
 | Harry Scrivenor - Iron industry and trade - 1854 - 350 pages
...breaking the ironstone. The furnace was a circular tower of clay, about ten feet in height, and three in diameter, surrounded in two places with withes,...Round the lower part, on a level with the ground, but not so low as the bottom of the furnace, which was somewhat concave, were made seven openings,... | |
 | Harry Scrivenor - 1854 - 390 pages
...breaking the ironstone. The furnace was a circular tower of clay, about ten feet in height, and three in diameter, surrounded in two places with withes,...Round the lower part, on a level with the ground, but not so low as the bottom of the furnace, which was somewhat concave, were made seven openings,... | |
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The furnace was a circular tower of clay, about ten feet high and three feet in diameter, surrounded in two places with withes, to prevent the clay from cracking and falling to pieces by the violence of the heat. Round the lower part, on a level with... 
