قراءة كتاب Mechanical Drawing Self-Taught Comprising instructions in the selection and preparation of drawing instruments, elementary instruction in practical mechanical drawing; together with examples in simple geometry and elementary mechanism, including screw th
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اللغة: English

Mechanical Drawing Self-Taught Comprising instructions in the selection and preparation of drawing instruments, elementary instruction in practical mechanical drawing; together with examples in simple geometry and elementary mechanism, including screw th
الصفحة رقم: 2
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Preparing the circle pen for use 38 The shape for circle pen points 38 Shaping circle pens for very small circles 39 A form of pen point recently introduced; forming the pen point 39 The method of oil-stoning circle pen points 40 The needle point and pen point 42 How to use the circle pen 43 German instrument to avoid slipping of a needle point 44 How to use the lining pen 45 Applying the ink to the bow-pen 46 Using a straight line or lining pen with a T square 47