A Treatise on Mathematical Instruments, Including Most of the Instruments Employed in Drawing, for Assisting the Vision, in Surveying and Levelling, in Practical Astronomy, and for Measuring the Angles of Crystals: In which Their Construction, and the Methods of Testing, Adjusting, and Using Them, are Concisely Explained

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J. Weale, 1853 - Mathematical instruments - 170 pages
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Drawing Pen
Protracting Scales

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