The carpenter's new guide: being a complete book of lines for carpentry and joinery (1848)
Nicholson, Peter, 1765-1844. [from old catalog], Johnston, William, architect. [from old catalog] · Philadelphia, Grigg, Elliot and co. · leaf 130
i a i … INTRODUCTION TO PRACTICAL CARPENTRY. OF THE COMPARATIVE STRENGTH OF TIMBER. PROPOSITION I. THE strengths of the different pieces of timber, each of the same length and thickness,are in proportion to the square of the depth; but if the thickness and depth are both to beconsidered, then the strength…
Carpentry
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