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On one occasion a gentleman was returning home from a fatiguing journey, and became very drowsy. He fell asleep, and, strange to say, he also fell from his saddle, but in so easy a manner that the tumble did not rouse him, and lay sleeping on where he alighted. His faithful steed, on being eased of his burden, instead of scampering home as one might have expected, stood by his prostrate master, and kept a strict watch over him. Some laborers at sunrise found him very contentedly snoozing on a heap of stones. They wished to approach the gentleman, that they might awaken him, but every attempt on their part was resolutely opposed by the grinning teeth and ready heels of his determined and faithful guardian. They called out loudly, and the gentleman awoke and was very much surprised at his position, while his faithful horse showed his pleasure by neighing and scraping his feet on the ground. The gentleman then mounted, and they galloped away at great speed, both glad to be able to make up for lost time.

Gravimetric methods are divided into three groups: (1) mechanical separations; (2) dry methods; and (3) wet methods. ~Mechanical Separations.~--Under this head are classed the method of assaying tin ores, known as vanning, and the amalgamation assay for gold. A set of sieves to determine the relative proportion of powders of different degrees of fineness is sometimes useful. A set with 10, 20, 40 and 80 meshes to the inch is convenient. ~Dry Assays.~--An important distinction between wet and dry methods of assaying is, that in the former the substance is got into the liquid state by solution, whilst in the latter fusion is taken advantage of. The difference between solution and fusion is easily illustrated: a lump of sugar heated over a candle-flame melts or fuses; suspended in water it dissolves. Many substances which are insoluble or infusible of themselves, become soluble or fusible when mixed with certain others; thus, in this way, solution is got with the aid of reagents, and fusion with the help of fluxes. For example, lead is insoluble in water, but if nitric acid be added, the metal rapidly disappears. It is convenient, but somewhat inaccurate, to say that the acid dissolves the lead. If the lead be acted on by nitric acid alone, without water, it is converted into a white powder, which does not dissolve until water is added; in this case it is obvious that the water is the solvent. The function of the acid is to convert the lead into a soluble compound.

Celia thought privately, "Dorothea quite despises Sir James Chettam; I believe she would not accept him." Celia felt that this was a pity. She had never been deceived as to the object of the baronet's interest. Sometimes, indeed, she had reflected that Dodo would perhaps not make a husband happy who had not her way of looking at things; and stifled in the depths of her heart was the feeling that her sister was too religious for family comfort. Notions and scruples were like spilt needles, making one afraid of treading, or sitting down, or even eating.

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