Used Manual - Dusty Dirty Stinky, may have tattered or loose pages and ink; Happy to answer any questions,
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By Warner & Swasey. Production likely spanned the 1920s to 1950s, aligning with Warner & Swasey's peak in toolmaking before the rise of electronic calculators in the 1970s rendered slide rules obsolete.
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TheHandy Little Lathe Chart is used to quickly calculate the CORRECT speed to run your lathe, milling machine, or drill press. It quickly calculates spindle speeds based on the CORRECT Surface Feet Per Minute (SFPM) cutting speeds as listed on the chart for 22 different materials.
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Perfect for engineers / modelmakers for milling / drilling etc.
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Really do not know what these are designed to do. They are complete I think, they all have little bolt on back....or is it the front. Got Hobbies on casting. Set of four, I am guessing that fit on wood lathe but might be miles out. Anyway they are here wanting to be in your workshop.
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A set of Three milling support jacks. Or engineers jacks. Perfect condition and look like they have not been used. Will extend from 3.5 inch to 5 inch. Nice items. All three items as one job lot.
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Printed in the United States.
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Basic Course Outline For Engine Lathe Operators Vocational Training For War Production Workers 1943
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