The Mineral Industry, Volume 21

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Scientific Publishing Company, 1913 - Mineral industries
 

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Page viii - Gold: 5, 10, 20, 50 and 100 francs. Silver 5 francs. Gold: 5, 10 and 20 marks.
Page 161 - ... specified size shall be considered good delivery; provided, however, that wire bars may vary in length 1 per cent from the listed or specified length, and cakes 3 per cent from the listed or specified size in any dimension greater than 8 in.
Page 656 - ... the volatile constituents of said liquid conducting off and condensing said constituents and maintaining a pressure of from about 4 to about 5 atmospheres on said liquid of said vapors throughout their course to and while undergoing condensation.
Page viii - Silver: rupee and divisions. Gold: 5, 10, 20, 50 and 100 lire. Silver: 5 lire. Gold: 5, 10 and 20 yen. Silver: 10, 20 and 50 sen.
Page viii - The coins of silver-standard countries are valued by their pure silver contents, at the average market price of silver for the three months preceding the date of this circular. tThe "British dollar...
Page viii - Gold: condor ($9.647) and double condor. Silver: peso. Gold: 10 and 20 crowns. Gold: 10 sucres ($4.8665). Silver: sucre and divisions. Gold: pound (100 piasters), 5, 10, 20 and 50 piasters. Silver: 1, 2, 5, 10 and 20 piasters. Gold: 20 marks ($3.859), 10 marks ($1.93). Gold: 5, 10, 20, 50 and 100 francs.
Page viii - Gold : 10 and 20 francs. Silver : 5 francs. Silver: boliviano and divisions.
Page 161 - Wire bars, cakes, slabs, and billets shall be substantially free of shrink holes, cold sets, pits, sloppy edges, concave tops, and similar defects in set or casting. This requirement shall not apply to ingots or ingot bars, in which physical defects are of no consequence.
Page 161 - All wire bars shall have a resistivity not to exceed 0.15436 international ohms per meter-gram at 20 C. (annealed) ; all ingots and ingot bars shall have a resistivity not to exceed 0.15694 international ohms per meter-gram at 20 C. (annealed). Cakes, slabs, and billets shall come under the ingot classification, except when specified for electrical use at time of purchase, in which case wire-bar classification shall apply.
Page 161 - Metal Content. — The copper in all shapes shall have a purity of at least 99.880 per cent, as determined by electrolytic assay, silver being counted as copper.

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