 | William Kirby Sullivan - 1854 - 616 Seiten
...added, by which a fresh precipitation of oxide of iron is produced. The gilding thus obtained perfectly admits of being burnished, and of undergoing all the operations employed to produce mat or dead gold. M. Jacoby makes the following remarks : — One of the most difficult problems to solve in this branch... | |
 | William Francis, Henry Croft - 1855 - 500 Seiten
...hours are required. When the liquid is exhausted of its gold, fresh oxide is added, by which a further precipitation of oxide of iron is produced. The gilding...manipulation of the process, it is only the Parisian work« men who perfectly succeed in this field ; hence it is that these operations are always conducted... | |
 | 1855 - 802 Seiten
...undergoing all the operations employed to produce mat or dead gold. M. Jacoby makes the following remarks :—One of the most difficult problems to solve in...manipulation of the process, it is only the Parisian workman who can perfectly succeed in this field; hence it is that these operations are always conducted... | |
 | William Kirby Sullivan - 1854 - 820 Seiten
...added, by which a fresh precipitation of oxide of iron is produced. The gilding thus obtained perfectly admits of being burnished, and of undergoing all the operations employed to produce mat or dead gold. M. Jacoby makes the following remarks : — One of the most difficult problems to solve in this brauch... | |
 | 1856 - 426 Seiten
...the liquid is exhausted of its gold, fresh oxyd is added, by which a further precipitation of oxyd of iron is produced. The gilding obtained by this...of manufacture is the production of dead surfaces. Its production in the ordinary way is always accompanied with a loss of metal, inasmuch as it necessitates... | |
 | 1856 - 428 Seiten
...the liquid is exhausted of its gold, fresh oxyd is added, by which a further precipitation of oxyd of iron is produced. The gilding obtained by this...of manufacture is the production of dead surfaces. Its production in the ordinary way is always accompanied with a loss of metal, inasmuch as it necessitates... | |
 | William Francis, Henry Croft - 1855 - 500 Seiten
...hours are required. When the liquid is exhausted of its gold, fresh oxide is added, by which a further precipitation of oxide of iron is produced. The gilding...of the process, it is only the Parisian workmen who perfectly succeed in this field ; hence it is that these operations are always conducted by French... | |
 | Universal decorator - 1859 - 184 Seiten
...added, by which a fresh precipitation of oxide of iron is produced. The gilding thus obtained perfectly admits of being burnished, and of undergoing all the operations employed to produce mat or dead gold. M. Jacoby makes the following remarks : — One of the most difficult problems to solve in this branch... | |
 | 1855 - 498 Seiten
...hours are required. When the liquid is exhausted of its gold, fresh oxide is added, by which a further precipitation of oxide of iron is produced. The gilding...the operations employed to produce mat or dead gold. br< • The production of dead gold in the ordinary way is always accompanied by loss of metal, inasmuch... | |
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One of the most difficult problems to solve in this branch of manufacture is the production of dead surfaces. Although we know the nature and manipulation of the process, it is only the Parisian... 