The Practical Builder, or Workman's General Assistant: Shewing the Most Approved and Easy Methods for Drawing and Working the Whole or Separate Part of Any Building; As, the Use of the Tramel for Groins, Angle Brackets, Niches, &c. Semi-Circular Arches on
The Practical Builder, or Workman's General Assistant: Shewing the Most Approved and Easy Methods for Drawing and Working the Whole or Separate Part of Any Building; As, the Use of the Tramel for Groins, Angle Brackets, Niches, &c. Semi-Circular Arches on
Excerpt from The Practical Builder, or Workman's General Assistant: Shewing the Most Approved and Easy Methods for Drawing and Working the Whole or Separate Part of Any Building; As, the Use of the Tramel for Groins, Angle Brackets, Niches, &C. Semi-Circular Arches on Flewing Jambs, the Preparing and Making Their Soffits The Top, to give Light. B the Plan; the Kirh or Plate to be in two Thicknefi'es, which is likewife heft for the Ribs, and for the Kirb on which the Cupola hands. The Curve of the Dome A is a Semi-circle, ...
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Excerpt from The Practical Builder, or Workman's General Assistant: Shewing the Most Approved and Easy Methods for Drawing and Working the Whole or Separate Part of Any Building; As, the Use of the Tramel for Groins, Angle Brackets, Niches, &C. Semi-Circular Arches on Flewing Jambs, the Preparing and Making Their Soffits The Top, to give Light. B the Plan; the Kirh or Plate to be in two Thicknefi'es, which is likewife heft for the Ribs, and for the Kirb on which the Cupola hands. The Curve of the Dome A is a Semi-circle, or will ferve for a Semi-ellipfis. The Moulds f and c in the Plan 3 cut the Sweep of the Purlines and the Moulds 6 a and c d are for the Top and Bottom of the Purlines. C is a Cone or Lan thorn to light a Stair-cafe, Sec. The horizontal Bars mull be fquared in the fame Manner, as the Purlines in A. The Mould for cutting or fquaring the Purlines, is like the Bottom Mould f in B, fo that if the Purlines be cut to the Thicknefs required as in the Section A, and alfo to the Mould j; then a is the Mould for the Bottom and 6 for the Top, as appears by the Lines let fall to the Plan B from the Purlines g and 6; then C in the Plan is the top, and d the bottom Mould. 1 is the Sweep Mould for the Top of the Purline 6. By this Rule the Purlines may be fquared, which completes the Work. If in the Plan B, the Ribs and Purlines are in Size and Number as the Cone C, it will do for a Lanthorn or Light to a Stair-cafe, See. The Manner of fquaring the Ribs and Grofs Bars is the fame as the Dome. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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