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Ripper. Machine Drawing and Design for Technical Schools and Engi- 

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Roberts. Drawing and Designing for Marine Engineers. 21 large fold- 

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Rose. Mechanical Drawing Self-Taught. Comprising Instructions in 

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Shaw. Mechanical Integrators. Including the various Forms of Pla- 

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Smith. Graphics, or the Art of Calculation by Drawing Lines, applied 

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Stanley. Descriptive Treatise on Mathematical Drawing Instruments, 

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Tomkins. Principles of Machine Construction ; being an application of 

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Unwin. Elements of Machine Design. Part I. General Principles, Fas- 

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Warren. Elements of Machine Construction and Drawing : or, Machine 

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