 | 1830 - 496 pagine
...which in the course of a few hours will entirely dissolve the flux adhering to the surface. The ingot may then be flattened into leaf, drawn into wire,...ductile metals are capable. The perfection of the methods above described, for giving to platina complete malleability, will best be estimated by comparing... | |
 | 1829 - 906 pagine
...which, in the course of a few hours, will entirely dissolve the flux adhering to the surface. The ingot may then be flattened into leaf, drawn into wire, or submitted to any ot the processes of which the most ductile metals are capable. The perfection of the methods above... | |
 | 1830 - 484 pagine
...which in the course of a few hours will entirely dissolve the flux adhering to the surface. The ingot may then be flattened into leaf, drawn into wire,...ductile metals are capable. The perfection of the methods above described, for giving to platina complete malleability, will best be estimated by comparing... | |
 | William Thomas Brande - 1830 - 784 pagine
...which in the course of a few hours will entirely dissolve the flux adhering to the surface. The ingot may then be flattened into leaf, drawn into wire,...ductile metals are capable. " The perfection of the methods above described, for giving to platina complete malleability, will best be estimated by comparing... | |
 | William Henry - 1831 - 642 pagine
...course o( a few hours, will entirely dissolve the flux left adhering to the surface. The ingots may be flattened into leaf, drawn into wire, or submitted...processes, of which the most ductile metals are capable. Platinum has the following properties: It isa white metal, resembling silver in colour, but greatly... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford - 1832 - 708 pagine
...then to he exposed upon a platina tray, under an inverted pot, to the heat of a windfurnace. The ingot may then be flattened into leaf, drawn into wire,...of which the most ductile metals are capable. The mean specific gravity of the metallic cake of platina powder, when taken from the press, is 10 ; that... | |
 | Francis Lieber, Edward Wigglesworth - 1832 - 656 pagine
...to be ex]>osed upon a platina tray, under an inverted pot, to the heat of a windfurnace. The ingot may then be flattened into leaf, drawn into wire, or submitted to anyofthe processes of which the most ductile metals are capable. The mean sjwcitic gravity of the metallic... | |
 | Royal Society (Great Britain) - 1833 - 502 pagine
...off all the remaining moisture ; afterwards subjected to the most intense heat of a wind furnace ; and lastly struck, with certain precautions, while...metal obtained by this process, which is found to be 21 '5, with that of a similar wire drawn from a button which had been completely fused by the late... | |
 | Royal Society (Great Britain) - 1833 - 486 pagine
...off all the remaining moisture ; afterwards subjected to the most intense heat of a wind furnace ; and lastly struck, with certain precautions, while...metal obtained by this process, which is found to be 21 '5, with that of a similar wire drawn from a button which had been completely fused by the late... | |
 | Francis Lieber, Edward Wigglesworth - 1835 - 618 pagine
...then to be exposed upon a platina tray, under an inverted pot, to the heat of a windfurnace. The ingot may then be flattened into leaf, drawn into wire,...of which the most ductile metals are capable. The mean spocific gravity of the metallic cake of platina powder, when taken from the press, is 10 ; that... | |
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... upon a platina tray, under an inverted pot, to the heat of a wind-furnace. The ingot, on being taken out of the furnace, is immediately to be plunged into dilute sulphuric acid, which in the course of a few hours will entirely dissolve the flux adhering... 
