 | Edward Daniel Clarke - 1824 - 630 Seiten
...tar is principally extracted, are always the most productive in such places. A conical cavity is then made in the ground (generally in the side of a bank...hill); and the roots of the fir, together with logs or billets of the same, being neatly trussed into a stack of the same conical shape, are let into this... | |
 | Elizabeth Kent (botanist.) - 1825 - 466 Seiten
...the Fir-tree ; a mode, he says, exactly similar with that of the ancient Greeks : " A conical cavity is made in the ground, generally in the side of a...hill, and the roots of the Fir, together with logs or billets of the same, being neatly trussed into a stack of the same conical shape, are let into this... | |
 | 1829 - 446 Seiten
...tar is principally extracted, are always the most productive in such places. A conical cavity is then made in the ground (generally in the side of a bank...hill) ; and the roots of the fir, together with logs or billets of the same, being neatly trussed into a stack of the same conical shape, are let into this... | |
 | 1830 - 438 Seiten
...tar is principally extracted, are always the most productive in such places. A conical cavity is then made in the ground (generally in the side of a bank...hill) ; and the roots of the fir, together with logs or billets of the same, being neatly trussed into a stack of the same conical shape, are let into this... | |
 | Charles Williams - 1833 - 300 Seiten
...tar is principally extracted, are always the most productive in such places. A conical cavity is then made in the ground (generally in the side of a bank,...hill), and the roots of the fir, together with logs or billets of the same, being neatly trussed into a stack of the same conical shape, are let into this... | |
 | Lapland - 1835 - 186 Seiten
...principally extracted, are always the most productive in such places. A rather deep cavity is then made in the ground, generally in the side of a bank,...of the fir, together with logs and billets of the wood from the tree, being neatly trussed into a stack of the same size and shape as the hole made to... | |
 | John Claudius Loudon - 1838 - 680 Seiten
...which tar is principally extracted, are always most productive in such places. A conical cavity is then made in the ground (generally in the side of a bank or sloping hill) ; and the roots together with logs and billets of the wood, being neatly trussed in a stack of the same conical shape,... | |
 | William Rhind - 1841 - 756 Seiten
...tar is principally extracted, are always the most productive in such places. A conical cavity is then made in the ground (generally in the side of a bank...hill); and the roots of the fir, together with logs or billets of the same, being neatly trussed into a stack of the same conical shape, are let into this... | |
 | 1842 - 530 Seiten
...which tar is principally extracted, are always most productive in such places. A conical cavity is then made in the ground (generally in the side of a bank...and billets of the same, being neatly trussed in a stack of the eame conical shape, are let into this cavity. The whole is then covered with turf, to... | |
 | 1842 - 528 Seiten
...which tar is principally extracted, are always most productive in such places. A conical cavity is then made in the ground (generally in the side of a bank...and billets of the same, being neatly trussed in a stack of the same conical shape, are let into this cavity. The whole is then covered with turf, to... | |
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... a stack of the same conical shape, are let into this cavity. The whole is then covered with turf, to prevent the volatile parts from being dissipated, which, by means of a heavy wooden mallet, and a wooden stamper worked separately by two men, is... 
