A Popular and Practical Treatise on Masonry and Stone-Cutting by Peter Nicholson was published in London by Thomas Hurst, Edward Chance & Co. in 1828. It brings practical geometry and projection into the explanation of arches, domes, vaults, niches and related stonework.
A systematic approach to difficult forms
In the preface, Nicholson explains that he does not intend to cover every part of masonry. Instead, he selects methods and examples intended to be useful within the limits of the volume. He stresses the importance of plane and solid geometry to the work.
The chapters build from geometrical problems toward applications in masonry. Plans, elevations and the development of surfaces provide a means of turning a complex form into information that can guide the preparation of stone.
For a historical practical library, this is an important kind of craft reference. It records the drawing and reasoning behind a shaped piece, not simply the appearance of the completed arch or vault.
Practical geometry and projection
The early material introduces constructions involving lines, points, curves and planes. Examples include parallel lines, perpendiculars, triangles and circular segments. These establish operations that can be reused in more involved problems.
The next stage concerns the geometry of plans and elevations, adapted to arches and vaults. Preliminary principles of projection lead into the development of the surfaces of solids. The drawings connect the object as seen in different directions with the shape needed for a working mould.
This sequence is useful to readers studying technical drawing before modern drafting tools. The repeated use of lettered points and construction lines shows how the author makes a three-dimensional problem accessible through a series of two-dimensional operations.
Cylindrical vaults and oblique arches
The contents include the construction of moulds for horizontal cylindrical vaults, both straight and oblique. Related subjects include cylindrical walls, joints, and the position of an arch in relation to the face through which it passes.
Oblique arches receive particular attention. Worked explanations consider the geometry of the intrados and the direction of joints. Tables and numerical examples accompany the graphical treatment where the author needs to connect a construction with a measured result.
These are historical methods with their own assumptions and terminology. They help explain period work and drawing practice, but their presence in a treatise does not make them a current structural specification.
Domes, niches and intersecting forms
The title and contents identify hemispherical and cylindrical domes, vertical conic vaults, straight arches and oblique arches. The treatment also includes moulds for spherical niches with radiating joints and examples in different wall arrangements.
These problems show why a stonecutting book needs more than a single standard arch diagram. Changing the surrounding wall, the direction of a joint or the form of a surface changes the shape that must be represented and cut.
Readers interested in architectural geometry can compare the plan, elevation and developed surface within an example. The practical meaning lies in the relationship between those views, rather than in any isolated outline.
Plates and reference use
The book uses explanatory plates throughout its argument. Fine lines, lettered points and the arrangement of stones make the plates essential to following the text. The scan also includes a glossary and directions for the binder.
The binder’s directions are a useful reminder that printed text and plates were assembled as parts of one working reference. When following a plate number, use the original reference in the book rather than assuming that it matches the PDF page position.
This free ebook is best suited to architectural historians, stonecraft researchers and readers with an interest in practical geometry. It rewards careful study with the relevant drawing in view. Present-day structural decisions require current engineering assessment and appropriate construction knowledge.
About this scan
The PDF contains 213 digital pages, including preliminary pages, plates and blank reverses. It is image-based and preserves the original typography and drawings. Text searching is not available in this copy. Enlarge small labels and numerical entries when checking a detail, and distinguish the digital page count from the printed pagination.
Book details
- Author: Peter Nicholson
- Publisher: Thomas Hurst, Edward Chance & Co., London
- Year: 1828
- Edition: No numbered edition stated
- Digital length: 213 PDF pages
- Language: English
- File size: 6.45 MB
