Peruvian chisel, in which M. Vauquelin found 0.94 of copper, and 0.06 of tin. This mixture was so well forged, that by the closeness of the particles, its specific weight was 8.815, while, according to the experiments of M. Political Essay on the Kingdom of New Spain - Էջ 115Alexander von Humboldt - 1811 - 1687 էջԱմբողջությամբ դիտվող - Այս գրքի մասին
| Alexander von Humboldt - 1814 - 524 էջ
...stones by using at the same time a metal tool and a silicious powder. I brought from Lima an ant it-nt Peruvian chisel, in which M. Vauquelin found 0.94...the chemists never obtain this maximum of density, 1but by a mixture of 16 parts of tin, with 100 parts of copper. It appears, that the Greeks made use... | |
| Robert Jameson - 1816 - 642 էջ
...at the same time a metal tool and a siliceous powder. Humboldt brought with him from Lima an ancient Peruvian chisel, in which M Vauquelin found 0.94 of...that, by the closeness of the particles, its specific gravity was 8.815 ; while, according to the experiments of M. Bridie, chemists never obtain this maximum... | |
| Robert Jameson - 1820 - 994 էջ
...siliceous powder. Humboldt brought with him from Lima an ancient Peruvian chisel, in which M. Vatiquelin found 0.94 of copper, and 0.06 of tin. This mixture...that, by the closeness of the particles, its specific gravity was 8.815 ; while, according to the experiments of M. liriche, chemists never obtain this maximum... | |
| Alexander von Humboldt - 1822 - 544 էջ
...stones by using at the same time a metal tool and a siliceous powder. I brought from Lima an antient Peruvian chisel, in which M. Vauquelin found 0.94...tin. ,This mixture was so well forged, that by the condensation of the particles, its specific gravity was 8.815, while, according to the experiments... | |
| Society of Antiquaries of Newcastle upon Tyne - 1822 - 498 էջ
...powder. I brought from Lima an ancient Peruvian chisel, in which M. Vauquelin found O94 of copper and O06 of tin. This mixture was so well forged, that by the...closeness of the particles its specific weight was 8'8I5. While, according to the experiments of Brichef, the chemists never obtain this maximum of density... | |
| Society of Antiquaries of Newcastle upon Tyne - 1822 - 498 էջ
...I brought from Lima an ancient Peruvian chisel, in which M. Vauquelin found 0-94 of copper and 0'06 of tin. This mixture was so well forged, that by the...closeness of the particles its specific weight was 8'815. While, according to the experiments of Briche f , the chemists never obtain this maximum of... | |
| John Henry Pepper - 1859 - 522 էջ
...from Lima an ancient Peruvian chisel, in which M. Vauquelin found ninety-four parts of copper and six of tin. This mixture was so well forged, that by the closeness of the particles its specific gravity was 8*815, while, according to the experiments of M. Briche, chemists never obtain this maximum... | |
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