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The expense of forming pattern-moulds may be considered as divided between the foundry and pattern-shop. What a pattern-maker saves a moulder may lose, and what a pattern-maker spends a moulder may save; in other words, there is a point beyond which saving expense in patterns is balanced by extra labour and waste in mouldinga fact that is not generally realised because of inaccurate records of both pattern and foundry work. What is lost or saved by judicious or careless management in the matter of patterns and moulding can only be known to those who are well skilled in both moulding and pattern-making. A moulder may cut all the fillets in a mould with a trowel; he may stop off, fill [94] up, and print in, to save pattern-work, but it is only expedient to do so when it costs very much less than to prepare proper patterns, because patching and cutting in moulds seldom improves them.

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"No, sir, we must hope for the best."このページの先頭です
ONE:"Then, why did you want to stay at the man's house?what brought you here?"Coming back, dropped low, Jeff scanned the beach.
ONE:Picturesque, cut-throat-looking ruffians that might have come straight from the stage of the Surrey Theatre. These men were pleased to call themselves conspirators. But no patriotic business brought them here tonight.
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TWO:CHAPTER XXII. PATTERN-MAKING AND CASTING. CHAPTER XV
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THREE:Lalage thrust out his arm and grasped a silken shoulder. CHAPTER XI THREE:"Prout! That estimable man is not likely to help much in a complicated case like this. As a matter of fact I saw those notes in Isaac Isidore's chambers this morning, they had been paid to him in a certain fashionable house where they were gambling heavily last night. Can you guess where the house is?" THREE:
TWO:The coast was clear apparently, and the two culprits crept out. They reached the house at length and tried the door. It was fast! The Countess shook her hands passionately.Flat or plane joints nearly always admit of adjustment between the fitted surfaces; that is, the material scraped or ground away in fitting can be compensated by bringing the pieces nearer together; but parallel cylindrical joints cannot even be tried together until finished, consequently, there can be nothing cut away in trying them together. Tapering, or conical joints, can of course be trial-fitted, and even parallel fits are sometimes made by trial, but it is evident that the only material that can [149] be cut away in such cases, is what makes the difference between a fit too close, and one which will answer in practice.
TWO:Curiously cut stones, interrupted Sandy. I read about them too!

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Aside from the cost or difficulty of obtaining ground sufficient to carry out plans for engineering establishments, the diversity of their arrangement met with, even in those of modern construction, is no doubt owing to a want of reasoning from general premises. There is always a strong tendency to accommodate local conditions, and not unfrequently the details of shop manipulation are quite overlooked, or are not understood by those who arrange buildings."The name of your witness?" she demanded, hoarsely.The second includes what is called threading in America and screwing in England. Machines for this purpose consist essentially of mechanism to rotate either the blank to be cut or the dies, and devices for holding and presenting the blanks.The range and speed of movement of the parts of machines are elements in designing that admit of a definite determination from the work to be accomplished, but arrangement cannot be so determined, and is the most difficult to find data for. To sum [154] up these propositions we have:
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