 | Henry Law - 1877 - 416 Seiten
...This is made either of natural or artificial asphalte, mixed with pulverised iron ore or sosqui-oxide of iron, and a small proportion of mineral tar. The materials are heated in a caldron, and melted, then run over the surface, and smoothed lite other liquid asphaltes.... | |
 | Percy Gaillemard L. Smith - 1879 - 548 Seiten
...laid in two thicknesses, the lower stratum having coarser grit in it than the other. Brunswick Hock Asphalte is obtained from mines at Vorwohle, in Brunswick,...slag, heated and laid in a semi-liquid state. Inferior Asphaltes are also made with coal-tor pitch boiled with chalk and sand. Pitch plays an important part... | |
 | Ernest Spon - 1879 - 478 Seiten
...can be made either of natural or artificial asphalte, mixed with pulverized iron ore or sesquioxide of iron and a small proportion of mineral tar. The materials are put into a caldron which is brought on to the works, and are made into a liquid state by heat, run... | |
 | Henry Law - 1887 - 424 Seiten
...This is made either of natural or artificial asphalte, mixed with pulverised iron ore or sesqui-oxide of iron, and a small proportion of mineral tar. The materials are heated in a caldron, and melted, then run over the surface, and smoothed like other liquid asphaltes.... | |
 | Henry Law, Daniel Kinnear Clark - 1890 - 424 Seiten
...This is made either of natural or artificial asphalte, mixed with pulverised iron ore or sesqui-oxide of iron, "and a small proportion of mineral tar. The materials are heated in a caldron, and melted, then run over the surface, and smoothed like other liquid asphaltes.... | |
 | Henry Law, Daniel Kinnear Clark - 1901 - 564 Seiten
...This is made either of natural or artificial asphalte, mixed with pulverised iron ore or sesqui-oxide of iron, and a small proportion of mineral tar. The materials are heated in a caldron, and melted, then run over the surface, and smoothed like other liquid asphaltes.... | |
 | 1903 - 448 Seiten
...can be made either of natural or artificial asphalt, mixed with pulverised iron ore or sesquioxide of iron, and a small proportion of mineral tar. The materials are put into a caldron which is brought on to the works, and are made into a liquid state by heat, run... | |
 | 1906 - 472 Seiten
...can be made either of natural or artificial asphalt, mixed with pulverised iron ore or sesquioxide of iron, and a small proportion of mineral tar. The materials are put into a caldron which is brought on to the works, and are made into a liquid state by heat, run... | |
 | 1909 - 592 Seiten
...can be made either of natural or artificial asphalt, mixed with pulverised iron ore or sesquioxide of iron, and a small proportion of mineral tar. The materials are put into a caldron which is brought on to the works, and are made into a liquid state by heat, run... | |
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Liquid Iron Asphalt can be made either of natural or artificial asphalt, mixed with pulverised iron ore or sesquioxide of iron, and a small proportion of mineral tar. The materials are put into a caldron which is brought on to the works, and are made... 