The carpenter's new guide; a complete book of lines for carpentry and joinery, treating fully on practical geometry, soffits, groins, niches, roofs, and domes, and containing a great variety of original designs. Also a full exemplification of the theory and practice of stair building, cornices, mouldings, and dressings of every description. Including also some observations and calculations on the strength of timber (1854)
dy-vault. To find the Moulds when both Arches have the same Opening. Fig. 3. Take half the opening of the arches, whatever they are, and draw a quarter-circle, and divideit into six parts; bend a slip round it to take its parts, then stretch it out upon the base from 0 to 6, anddraw perpendiculars… … Plate 16
Carpentry
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