Modern carpentry and joinery : being a compilation of the very best things and most modern and practical methods known in the arts of carpentry and joinery (1910)
Hodgson, Frederick Thomas, 1836- · Chicago : F. J. Drake & Co. · leaf 45
ideson the horizontal plane, and let it be required toraise, by its angle C, the pyramid by turning aroundthe arris AB, until its base makes with the horizontal 42 MODERN CARPENTRY plane any required angle, as 50°. Conceive the rightline C e turning round e, and still continuing to beperpendicular… … a vertical plane to pass through the line C e. Thisplane will necessarily contain the required angle. Sup-pose, now we lay this plane down in the horizontalprojection thus: Draw from e the line e C making SOLID GEOMETRY 43 with e C an angle of 50°, and from e with the radiuse c describe an arc…
Carpentry
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