ALT
发表于 2025-3-28 17:57:18
Writersers on the subject. The material in this chapter is arranged in four sections, dealing with a number of social groups that fought for the control of this branch of knowledge, including medieval masons, Renaissance architects, seventeenth-century clerics, and Enlightenment military engineers. Many of
使服水土
发表于 2025-3-28 20:37:53
Techniques It analyses full-size drawings, the planar and three-dimensional constructions used in these tracings, and the models used to verify the precision of geometrical procedures and to instruct apprentices. Next, it deals with carving instruments, stressing the difference between mechanical ones such as
Dri727
发表于 2025-3-29 01:07:23
Simple Elementsbuilt in hewn stone and the different control techniques that can be applied to each one. This chapter deals with a series of simple members that are not explained in the earliest treatises on the subject, maybe because the authors considered them elementary; however, seventeenth and eigtheenth-cent
capsaicin
发表于 2025-3-29 04:20:21
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易怒
发表于 2025-3-29 10:45:32
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黑豹
发表于 2025-3-29 12:45:33
Rere-Archest, rear arches, or rere-arches, that is, elements designed to span an opening using a combination of arches, lintels, or both, placed at different heights, are not so well-known. This is a pity since rere-arches perform two important functions. First, they enlarge the area of the inside face of an o
冬眠
发表于 2025-3-29 18:59:23
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无能性
发表于 2025-3-29 21:10:37
Spherical, Oval and Annular Vaultsf the vault. This is an approximation, since these surfaces are non-developable; however, cone developments furnish a practical approximation to the sphere. Builders can use a hemisphere to cover a round plan, a quarter of sphere to span a semicircle or a hemisphere cut by four vertical planes to co
nepotism
发表于 2025-3-30 00:15:37
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perjury
发表于 2025-3-30 06:12:50
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