What amazes me is the machining that was done in the mid to late 1800's. Can you imagine what kind of lathes and mill type machines they must have had then to build something like a steam engine? And in a "what came first the chicken or the egg" style question...How can you bulid a lathe when you need a lathe to build it? Where'd they get the first machine to do the machining on the machine they were building? As to threads, my dads friend was indentured as a boy in Hungary as a locksmith apprentice. In 1930's. He emmigrated to US then as a teen. The ship they were on broke down with a steam issue. He was recruited to cut a thread free hand on a pipe using a diamond shaped point-chisel.
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Today's Featured Article - Tractor Operator Safety - Loader & Backhoe Operation - by Staff. Loader Operation Do not transport anyone in the loader bucket. Always carry the loader bucket low for maximum stability and visibility, whether the bucket is loaded or empty. Always use the recommended amount of counterweihting to ensure good stability. Be careful when handling large objects such as round bales, logs,
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