american foundry practice treating of loam dry sand and green sand moulding
This article is not written to hide the moulder's failings, but to get at the truth, no matter where or whom it strikes. The moulder should admit that, when he loses a casting which he has had full control, and proper tool; mid materials to work with, it is no more or less than his ignorance or carelessness that caused the loss. The proof is that when he makes it the second time he gets a good one. The loss of a casting does not imply that the moulder is ignorant or is not a mechanic, since castings arc often lost from some little, insignificant cause. - From the introduction.
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