By Samuel M. ( Ed. ) Katz
Magazine of elite forces of the area. ebook comprises sixty four pages of complete colour photos and narratives.
Featured articles include:
activity strength "Iron Horse": 4th Infantry department within the Sunni Triange (Yves DeBay)
Stryker Brigade in Iraq (Carl Schulze)
"Old Ironsides" in Baghdad (Yves DeBay)
alongside the Convoy Routes (Yves DeBay)
Multinational Brigade (South East) (Carl Schulze)
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Additional info for Cn5530 - Special Ops - Journal of the Elite Forces & Swat Units Vol. 30
The complex composition derives from the nature of its raw material, the monazite sand. 34 MECHANICALLY-INDUCED PYROPHORICITY 35 Lighter flint alloys contain additions of iron (up to 30 %) for greater chemical and physical resistance. The properties of cerium and its alloys are described in some detail in the major inorganic encyclopedias and textbooks. 48 It seems to be quite unsuitable for items that have to be stored for a considerable time. 114 Similar alloys mixed with organic fuels are claimed in a U.
4. Electrolysis of solutions of certain metal salts, using a mercury cathode. The resulting amalgams or mixtures will yield pyrophoric metals after removal of the mercury by distillation. Processes 1, 2, and 4 produce metal powders of very small particle size, but the reason for the pyrophoric behavior is not yet fully understood in every instance. Some experiments seem to indicate that adsorbed hydrogen is the cause. In other cases, it is obvious that the metal of greatest purity is most ignitible and that the presence of hydrogen reduces activity.
67 As a final contribution to the use of sparking metal, it should be mentioned that prior to the invention of Davy's safety lamp in 1815, devices seem to have been used that continuously created sparks to provide some illumination in mines. " However, the only reference this writer could find on the subject, and a meager one, was by Beyling-Drekopf,16 where the devices are called Lichtmuhlen ("light-mills"). May one speculate that it was recognized that such sparks were safer than rushlights, candles, or oil lamps because they might have prevented the explosions caused by firedamp ?