CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «PACKFONG»
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1
American Journal of Science: The First Scientific Journal in ...
Packfong. — This substance, as analysed by M. Brewster, is composed of 31'6
parts of nickel, 25-4 of zinc, 40-4 of copper, and 2'6 of iron. It is employed in
China in the fabrication of a great number of utensils such as vases, teapots,
goblets, ...
2
The American Journal of Science and Arts
31. Packfong. — This substance, as analysed by M. Brews- ter, is composed of
31'6 parts of nickel, 25-4 of zinc, 40'4 of copper, and 2'6 of iron. It is employed in
China in the fabrication of a great number of utensils such as vases, teapots, ...
3
The Edinburgh Journal of Science ... Conducted by (Sir) ...
The relative proportion of the three metals which compose the packfong, should
vary according to the use which is to be made of it. That destined for the
fabrication of spoons, forks, &c. ought to contain 0.25 nickel, 0.25 zinc, 0.50
copper.
4
The Edinburgh Journal of Science
The relative proportion of the three metals which compose the packfong, should
vary according to the use which is to be made of it. That destined for the
fabrication of spoons, forks, &c. ought to contain 0.25 nickel, 0.25 zinc, 0.50
copper.
5
A Dictionary of Chemistry and Mineralogy: With Their ...
P PACKFONG, or White Copper, called also German silver. M. Gersdorf of
Vienna states, that the proportion of the metals in this alloy should vary according
to the uses for which it is destined. When made a substitute for silver, it should
consist ...
6
The Practical Brass and Iron Founder's Guide: A Treatise on ...
THE CHINESE PACKFONG,* According to Dr. Fyfe's analysis, is said to consist of
40.4 parts of copper' 25.4 " zinc equiva- _j lent to 31.6 2.6 nickel iron r6 oz. 7 dr.
full. 4 oz. 1 dr. full. 5 oz. 1 dr. nearly. 7 dr. nearly. 100.0 parts. 16 oz. 0 dr.
7
A Pratical Guide for the metallicalloys
222 Argentan (packfund, or packfong) of Sheffield . . . 223 White packfong . . . . . . .
. 223 White malleable alloys 223 German silver 224 Chinese white copper, or
Chinese packfong . . . 224 German silver for rolling 224 Ruolz alloys for false ...
8
The Encyclopedia of Third Reich Tableware
James A. Yannes. 88-191 SS-Reich (China Silber) Fork: Obverse with SS-Reich.
Reverse with China Silber. Between the China and Silber is a bear. Above it is '
PFG' (short form for Packfong) and below 'CHS'. Berndorfer Metallwarenfabrik, A.
9
J.C. Fischer and His Diary of Industrial England: 1814-51
Fischer succeeded in alloying steel with copper (1814),44 silver (1817),45 and
chromium (1824).46 Perreir, a cutler in Geneva, made a razor and several knives
from Fischer's steel silver alloy.47 In 1825 Fischer made a new kind of packfong.
10
A Dictionary of Arts, Manufactures, and Mines: Containing a ...
The addition of 2or 2% of iron (in the shape of tin plate 7) renders the packfong
much whiter, but, at the same time, harder and more brittle. Kcferstein has given
the following analysis of the genuine German silver, as made from the original
are ...