| Ellis A. Davidson - Architectural drawing - 1869 - 154 pages
...arch, the radius with which the arcs are struck being equal to the span of the arch, and the centres being the imposts ; and thus, the crown and the imposts being united, an equilateral triangle is formed. This form was principally used in the " Decorated" period of Gothic architecture from about 1307 until... | |
| Frederick Thomas Hodgson - Carpentry - 1883 - 174 pages
...arch, the radius w1th which the arcs are struck being equal to the span of the arch, and the centres being the imposts ; and thus, the crown and the imposts being united, an equilateral triangle is formed. This torm was principally used in the " Decorated " period of Gothic architecture from about 1307 until... | |
| Frederick Thomas Hodgson - Cement - 1883 - 120 pages
...arch, the radius with which the arcs are struck being equal to the span of the arch, and the centres being the imposts; and thus, the crown and the imposts being united, an equilateral triangle is formed. This form was principally used in the "Decorated " period of Gothic architecture from about 1307 until... | |
| William A. Radford - 1907 - 332 pages
...— This arch (Fig. 64) is known as the Gothic Arch, and is constructed as follows : FIG. 64. Fio.65. The radius with which the arcs are struck being equal...two of the centers are on the springing line and two 55 below it. The arches at the later period of this style became flatter and flatter, and this forms... | |
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