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A hand scraper is a single-edged tool used to scrape metal or other materials from a surface. This may be required where a surface needs to be trued, corrected for fit to a mating part, retain oil (usually on a freshly ground surface), or be given a decorative finish. Surface plates were traditionally made by scraping. [1]
Horse-drawn Fresno scraper digging water-supply ditch A portable engine; a precursor to modern engineering vehicles An early gasoline-powered tractor Heavy equipment circa 1922. Until the 19th century and into the early 20th century heavy machines were drawn under human or animal power.
Armstrong Tools was an American industrial hand tool manufacturer. [1] In its final years, it existed as a brand of Apex Tool Group , LLC and manufactured the majority of its tools in the United States, focusing mostly on aerospace, government, and military users.
For instance, the flat face can be used for planishing and smoothing and for hand shrinking thicker soft metals. Whereas a large hickory "torpedo mallet's" striking weight makes it best suitable for shaping soft metals such as aluminum or copper, but a similar torpedo mallet made from heavy black rubber has a striking weight which is best used ...
The Moore family firm, the Moore Special Tool Company, independently invented the jig borer (contemporaneously with its Swiss invention), and Moore's monograph is a seminal classic of the principles of machine tool design and construction that yield the highest possible accuracy and precision in machine tools (second only to that of ...
Blot any liquid oil stain with a paper towel or scrape off oily solids with a dull plastic scraper. Sprinkle baking soda or cornstarch over the stain. ... Wash normally—by hand or machine, based ...
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