 | 1830 - 496 sider
...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 sider
...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 - 318 sider
...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 Dr.... | |
 | 1830 - 484 sider
...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 sider
...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 sider
...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 sider
...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 sider
...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... | |
 | Francis Lieber, Edward Wigglesworth - 1835 - 618 sider
...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... | |
 | 1846 - 602 sider
...completely to agglutinate its particles, and convert it into a solid ingot. This ingot or bar could then be flattened into leaf, drawn into wire, or submitted to any of the processes by which the most ductile metals are wrought. We have passed over unnoticed many practical minutira... | |
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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... 
