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TWO:"But such fans! such fans! They were so pretty that we couldn't keep our eyes off them, and we bought more of them, perhaps, than we needed. In one shop we would find something so nice that we couldn't see how it could be surpassed, and so we would buy it; and in the next we found something nicer yet, and so we had to buy that. Anybody who has a liking for fans, and hasn't a mint of money, had better keep out of the stores of Canton, or he will run a risk of being ruined. The varieties are so great that we cannot begin to name them. There were fans on silk, and fans on paper; fans carved in ivory, tortoise-shell, sandal-wood; fans of feathers from various birds, with rich paintings right on the surface of the feathers; and a great many[Pg 420] other fans besides. There was one with frame and sticks of sandal-wood, beautifully carved, while the body was of painted silk. There were groups of figures on each side of the fan, and each figure had a face painted on ivory which was afterwards glued to the silk. It was the prettiest thing to be found for any price we could afford, and you can be sure that it was secured for somebody at home.

A hydrocyclone (liquid cyclone) injects treatment solution into stationary equipment to perform separation, classification, and concentration, and is an innovative separator with a very simple structure and no drive unit.

Structure of a hydrocyclone (liquid cyclone)

A suspension containing fine particles of several micrometers or more is supplied to a cylindrical container circumferentially at high speed. And as a result it starts to rotate and a centrifugal force is generated. At this time a gravitational acceleration of several tens of thousands of G is generated in the circumferential direction, and thus leading to fast sedimentation and concentration of the fine particles. The separated concentration can be freely selected by changing the supply rate (supply pressure and flow rate) and the flow ratio of the outlet. Our hydrocyclone (liquid cyclone) was designed and manufactured to classify and concentrate fine particles, and so has a small element.

THREE:I surrender, he said, with amiable ease.They went there and found a pretty park on a hill that overlooked[Pg 139] a considerable portion of the city. At one side of the park there was an enclosure containing several tombs of the shogoons, or tycoons, of Japan, and there was a neat little temple that is held in great reverence, and receives annually many thousands of visitors. On an edge of the hill, where a wide view was to be had over the houses of the great capital, an enterprising Japanese had erected a restaurant, which he managed after the European manner, and was driving a profitable business. He was patronized by the foreign visitors and residents, and also by many of the Japanese officials, who had learned to like foreign cookery and customs during their journeys abroad, or were endeavoring to familiarize themselves with its peculiarities. Our friends found the restaurant quite satisfactory, and complimented the proprietor on the success of his management. It is no easy matter for a native to introduce foreign customs into his hotel in such a way as to give satisfaction to the people of the country from which the customs are taken.

• Equipment costs can be reduced.
• Operating costs can be reduced.
• Maintenance costs can be reduced.
• Any change in raw material and product can be easily addressed.
• Large amounts can be treated in a small area.
• Separation and cleaning are easy because of the simple structure.
• Simplified control
• This equipment can be operated in synchronization with external devices.
• Alarm and interlock mechanism.

THREE:For an Oriental city Tokio has remarkably wide streets, and some of them are laid out with all the care of Western engineering. In the course of their morning ride the party came to Sakuradu Avenue, which Fred recognized from a drawing by a native artist, who had taken pains to preserve the architecture of the buildings on each side with complete fidelity. The foundations of the houses were of irregular stones cut in the form of lozenges, but not with mathematical accuracy. The boys had already noticed this form of hewing stone in the walls of the castles, where some very large blocks were piled. They were reported to have been brought from distant parts of the empire, and the cost of their transportation must have been very great. Few of the houses were of more than two stories, and the great majority were of only one. Along Sakuradu Avenue they were of two stories, and had long and low windows with paper screens, so that it was impossible for a person in the street to see what was going on inside. The eaves projected far over the upright sides, and thus formed a shelter that was very acceptable in the heat of summer, while in rainy weather it had many advantages. These yashikis were formerly the property of Daimios, but are now occupied by the Foreign Office and the War Department. Inside the enclosure there are many shade-trees, and they make a cooling contrast to the plain walls of the buildings. The Japanese rarely paint the interior or the exterior of their buildings. Nearly everything is finished in the natural color of the wood, and very pretty the wood is too. It is something like oak in appearance, but a trifle darker, and is[Pg 120] susceptible of a high polish. It admits of a great variety of uses, and is very easily wrought. It is known as keyaki-wood; and, in spite of the immense quantity that is annually used, it is cheap and abundant.

• Classification and concentration for the manufacture of inorganic powder materials
• Classification of ceramic materials
• Removal of fine particles, including iron powder
• Removal of fine particles from pigments
• Removal of fine organic particles from solvents
• Separation of starch and yeast
• Removal of fine particles from high-temperature strong acid solutions
• Removal of fine particles from low-temperature solutions