A Report on the Temples of Philę

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National Print. Department, 1908 - Aswan Dam (Egypt) - 32 pages
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Page 17 - ... estimated in this way. The dehydrogenation is usually carried out by passing the oil vapours two or three times over platinum black, platinised charcoal or palladium black.202 The reaction is usually complete and, according to Zelinskii and Kazanskii203 can be applied to oils boiling as high as 200°C. On the other hand, statements have been made to the effect that the method is only applicable to light fractions, because of side reactions, formation of unsaturated hydrocarbons, poisoning of...
Page 18 - A detailed examination of the buildings showed that there was no evidence of their stability having been, in any way, affected, or that any one of them had moved since the underpinning operations of 1902 ; certain points to which attention may be drawn were, however, noticed.
Page 33 - Beyond the usual decay of old age brought about by atmospheric influences and water action, no special general destruction of the...

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