 | Society of Antiquaries of London - 1779 - عدد الصفحات: 528
...occafioned the knowledge of it to be loft, even in the countries where it was once univerfally pradYifed. THROUGH all the Northern parts of Scotland, a particular kind of earthy iron orb of a very vitrefcible nature much abounds. This Ore might have been accidentally mixed with fome... | |
 | Ralph Griffiths, George Edward Griffiths - 1780 - عدد الصفحات: 614
...the weather, perhaps better than any other artificial cement that has ever yet been difcovered. In the northern parts of Scotland, a particular kind of earthy iron ore, of a vitrefcible nature, much abounds. Mr. Anderfon fuppofes, that thefe walls were raifed of dry ftones,... | |
 | Ralph Griffiths, George Edward Griffiths - 1780 - عدد الصفحات: 614
...April, 1780. T hap? haps better than any other artificial cement that has ever yet been difcovered. In the northern parts of Scotland, a particular kind of earthy iron ore, of a vitrefcible nature, much abounds. Mr. Anderfon fuppofes, that thefe walls were raifed of dry ftones,... | |
 | several hands - 1780 - عدد الصفحات: 612
...April, 1780. T haps haps better than any other artificial cement that has ever yet been discovered. In the northern parts of Scotland, a particular kind of earthy iron ore, of a vitrefcible nature, much abounds. Mr. Anderfon fuppofes, that thefe walls were raifed of dry (tones,... | |
 | James Anderson - 1792 - عدد الصفحات: 384
...occasioned the knowledge of it to be lost, even in the countries where it was once universally practised. Through all the northern parts of Scotland, a particular...by the heat, would cement the stones into one solid mafs, and give the first hint of the uses to which it might be applied. A few experiments would satisfy... | |
 | James Anderson - 1792 - عدد الصفحات: 384
...occasioned the knowledge of it to be lost, even in the countries where it was once universally practised. Through all the northern parts of Scotland, a particular...by the heat, would cement the stones into one solid mafs, and give the first hint of the uses to which it might be applied. A few experiments would satisfy... | |
 | James Logan - 1833 - عدد الصفحات: 556
...observation, I am inclined to believe that all the walls are of equal antiquity. A heat, sufficient to vitrify the base of the walls, might not affect the upper...give the first hint of the uses to which it might be applied.—The wall of Enockferrel all round is covered on the outside with a crust of about two feet... | |
 | James Logan - 1843 - عدد الصفحات: 568
...places where it is possible to approach the walls, are strengthened by additional lines of rampurt, and here both ends had been so guarded. "Those at...great fire was kindled, and, being fused by the heat, FORTRESSES. 249 would cement the stones into one solid mass, and give the first hint of the uses to... | |
 | Edinburgh Geological Society - 1883 - عدد الصفحات: 400
...Monkshill, Aberdeen, who, in reporting to the Antiquarian Society of London, 27th November 1777, says "that through all the northern parts of Scotland, a particular...accidentally mixed with some stones, at a place where some great fire was kindled, and being fused by heat would cement the stones into a solid mass, and... | |
 | 1883 - عدد الصفحات: 404
...Monkshill, Aberdeen, who, in reporting to the Antiquarian Society of London, 27th November 1777, says "that through all the northern parts of Scotland, a particular...accidentally mixed with some stones, at a place where some great fire was kindled, and being fused by heat would cement the stones into a solid mass, and... | |
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Through all the Northern parts of Scotland, a particular kind of earthy iron ore, of a very vitrescible nature, much abounds. This ore might have been accidentally mixed with some stones at a place where a great fire was kindled, and, being fused by the... 
