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Farm implements, and the principles of their construction and use; an elementary and familiar treatise on mechanics, and on natural philosophy generally, as applied to the ordinary practices of agriculture ...
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هديل 🕊 on X: "🔴Wedge principle🔴 🔺Wedge is a movable inclined plane which overcomes large resistance at right angles to the applied effort Wedge elevators is forced between the root and the
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Principles and Applications of the] Wedge from an untitled series on Mechanics - The Lavenberg Collection of Japanese Prints
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