 | 1830 - 496 стор.
...pestle, hut on no account with any harder material, capable of burnishing the particles of platina* ; since every degree of burnishing will prevent the...in the later stages of grinding, will find his work much facilitated by the addition of water, in order to 'remove the finer portions, as soon as they... | |
 | 1829 - 906 стор.
...pestle, but on no account with any harder material, capable of burnishing the particles of platina;* since every degree of burnishing will prevent the...be well washed in clean water, the operator, in the latter stages of grinding, will find his work much facilitated by the addition of water, in order to... | |
 | William Thomas Brande - 1830 - 784 стор.
...pestle, but on no account with any harder material, capable of burnishing the particles of platina * ; since every degree of burnishing will prevent the...in the later stages of grinding, will find his work much facilitated by the addition of water, in order to remove the finer portions, as soon as they are... | |
 | 1830 - 484 стор.
...endeavoured to give it a welding surface, by steeping it in a solution of sat auimouiaciu nitric acid. every degree of burnishing will prevent the particles...in the later stages of grinding, will find his work much facilitated by the addition of water, in order to remove the finer portions, as soon as they are... | |
 | Gill's scientific, technological and microscopic repository - 1830 - 420 стор.
...attending to this precaution : — If a wire of platiua be divided with a sharp tool, in a slanting since every degree of burnishing will prevent the particles from cohering in the further stage of the process. Since the whole will be required to be well washed in clean water, the operator,... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford, Henry Vethake - 1832 - 626 стор.
...(because burnished particles of platina will not weld) ; and indeed every degree of burnishing would prevent the particles from cohering in the further stages of the process. And since platina cannot bo fused by the utmost heat of our furnaces, and consequently cannot be freed,... | |
 | Francis Lieber, Edward Wigglesworth - 1832 - 656 стор.
...(because burnished panicles of platinu will not weld); and indeed eveiy degree of burnishing would prevent the particles from cohering in the further stages of the process. And since platina cannot IKS fused by the utmost heat of our furnaces, and consequently cannot be freed,... | |
 | Popular encyclopedia - 1884 - 512 стор.
...(because burnished particles of platinum will not weld); and, indeed, every degree of burnishing would prevent the particles from cohering in the further stages of the process. And since platinum cannot be fused at any ordinary furnace heat, and consequently cannot be freed like... | |
 | 1829 - 512 стор.
...newly-divided surfaces, they will become firmly welded together , but if the surfaces have previously been prevent the particles from cohering in the further...in the later stages of grinding, will find his work much facilitated by the addition of water, in order to remove the finer portions, as soon as they are... | |
 | 1856 - 604 стор.
...procure, by the gentlest means, as much as can possibly be so obtained of metallic powder, so line as to pass through a fine lawn sieve. The coarser...they are sufficiently reduced to be suspended in it. " Thoso who would view this subject scientifically should here consider that, as platinum cannot be... | |
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... since every degree of burnishing will prevent the particles from cohering in the further stages of the process. Since the whole will require to be well washed in clean water, the operator, in the later stages of grinding, will find his work... 