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In the case of certain salts, however, such as soda crystals and hydrated sulphate of copper (when these constitute the bulk of the substance to be assayed), it is as well to perform the assay on the moist, or at any rate air-dried, substance.[2] It would be equally convenient to calculate on the substance dried at 100° C.; but in this case it would be well, in order to avoid a somewhat shallow criticism, to replace the term "moisture" by the longer but equivalent phrase "water lost at 100° C." ~Calculation and Statement of Results.~--By far the most generally convenient method of stating the results of an assay is that of the percentage or parts in a hundred, and to avoid a needlessly troublesome calculation it is well to take such a quantity of ore for each assay as by a simple multiplication will yield the percentage. In these calculations decimals are freely employed, and students should make themselves familiar with the methods of using them. Other methods of statement are in use, and have advantages in certain special cases. With bullion the parts in a thousand are given, and in those cases in which the percentage is very small, as in water analysis, it is convenient to report on parts in 100,000, or even on parts per 1,000,000. These are easily got from the corresponding percentages by shifting the decimal point one, three, or four places to the right. Thus 92.5 per cent. is 925 per thousand; and 0.0036 per cent. is 3.6 per 100,000, or 36 per million.

There is a tendency, not by any means among the greater writers, but among what may be called the epigoni,--the satellites of literature, the men who would be great if they knew how,--to speak of the business of writing as if it were a sacred mystery, pontifically celebrated, something remote and secret, which must be guarded from the vulgar and the profane, and which requires an initiation to comprehend. I always feel rather suspicious of this attitude; it seems to me something of a pose, adopted in order to make other people envious and respectful. It is the same sort of precaution as the "properties" of the wizard, his gown and wand, the stuffed crocodile and the skeleton in the corner; for if there is a great fuss made about locking and double-locking a box, it creates a presumption of doubt as to whether there is anything particular in it. In my nursery days one of my brothers was fond of locking up his private treasures in a box, producing it in public, unfastening it, glancing into it with a smile, and then softly closing it and turning the key in a way calculated to provoke the most intense curiosity as to the contents; but upon investigation it proved to contain nothing but the wool of sheep, dried beans, and cases of exploded cartridges.

Philip was at this time engaged in the siege of Athens, which had joined Attalus and the Rhodians. The Consul Galba crossed over to Epirus, and Athens was relieved by a Roman fleet; but before he withdrew, Philip, prompted by anger and revenge, displayed his barbarism by destroying the gardens and buildings in the suburbs, including the Lyecum and the tombs of the Attic heroes; and in a second incursion which he made with large re-enforcements he committed still greater excesses. For some time, however, the war lingered on without any decided success on either side. The Consul Villius, who succeeded Galba in B.C. 199, effected nothing of importance, and it was not till the appointment of the Consul T. Quinctius Flamininus to the command that the war was earned on with energy and vigor (B.C. 198).

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