How many machinists know a good file when they see it? I don’t believe one in fifty can take a pile of files and pick out the best one. The average man will pick up two or three, turn them over, squint along the corners, pick out the straightest one and call it as “good as any.” They don’t seem to have any idea that a file may be soft, or fire-cracked, or burned. If they were choosing a cold chisel they would look out for all these things, but “a file is a file” so long as it has teeth and tang.
Talk about certain tools being abused in the machine shop, or in any other shop. What is more abused than a file? No matter what job is on hand, they are expected to take right hold of it and never let go. Hard iron, soft iron, steel or lead, brass, copper or wood, it makes no difference. The file must go at it hammer and tongs.
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