A Practical Treatise on Concrete, and How to Make It by Henry Reid examines the materials and methods behind nineteenth-century concrete building. Published in London by E. & F. N. Spon in 1869, it also carries the subtitle With Observations on the Uses of Cements, Limes and Mortars. Reid identifies himself as a civil engineer on the title page.
A materials question before a building method
The preface explains the author’s concern about confusion over concrete and the materials used to make it. He argues that better understanding of cementing substances and their handling is needed alongside enthusiasm for concrete construction. That makes the book a useful record of an earlier stage in the development of concrete practice.
The opening material discusses limes, their composition and classification. Examples drawn from docks, forts and other works place material choices within actual construction. The reader encounters tests, analyses and arguments about performance rather than a simple list of recipes.
For people interested in older buildings, this approach is valuable because the word concrete does not identify one unchanging mixture. Reid’s distinctions between lime, natural cement and artificial cement show why the date and materials of a structure matter when interpreting historical descriptions.
Puzzolanas, Roman cement and Portland cement
The contents give separate attention to puzzolanas, including their occurrence, composition and testing. Historical references and analyses appear beside accounts of natural and artificial materials. These pages trace the author’s explanation of substances used to influence the behavior of a binding mixture.
Roman cement and Portland cement are treated as distinct subjects. The Portland cement discussion considers manufacture, the selection and preparation of materials, testing and the relationship between composition and quality. The book records contemporary disagreements as well as the author’s preferences.
This is particularly useful to a researcher comparing the terminology of older specifications. Names that appear similar in a modern conversation could refer to quite different products and expectations in this period. The text supplies context for reading those names in their original setting.
Aggregates and the interaction of ingredients
A section on materials as aggregates to mortars and concretes follows the cement discussion. It considers the knowledge needed to judge quality, the character of sand and gravel, and other mineral materials. Reid connects the aggregate with the binder instead of treating it as a passive bulk ingredient.
The lime-and-cement section discusses setting and the effects of preparation. Historical examples include mortar analyses and comparisons of materials used in different works. The detailed contents make it possible to locate these discussions without treating the book as a continuous modern textbook.
The practical relevance for a self-sufficiency collection lies in this attention to causes: useful work depends on understanding the material being handled. The book is also evidence of how builders and engineers tried to explain those causes before later standards and testing conventions developed.
Making concrete and organizing the work
Later sections move into preparation, including lime concrete, compound mixtures, Roman cement concrete and Portland cement concrete. Examples of buildings and engineering works illustrate the range of applications that the author had in mind.
Machinery for mixing mortars and concretes receives its own treatment. Reid discusses the importance of mechanical mixing and describes arrangements associated with docks, forts and other large works. He also considers hand mixing, showing that the organization of production is part of the material’s performance.
The section on building by frames links the finished wall with its temporary support and formwork. General observations then address construction quality, moisture, use and maintenance. These closing topics broaden the book from the chemistry of ingredients to the behavior of occupied buildings.
Audience and the scanned edition
This free ebook is suited to construction historians, conservation researchers and readers comparing early concrete literature. Its claims and recommendations belong to 1869 and need careful evaluation before practical use. The PDF has 143 digital pages, including preliminary matter and a publisher’s catalogue. It is an image-based scan without searchable text; the long contents section is the main navigation aid. Read the printed page numbers separately from the PDF page counter.
Book details
- Author: Henry Reid
- Publisher: E. & F. N. Spon, London
- Year: 1869
- Edition: No numbered edition stated
- Digital length: 143 PDF pages
- Language: English
- File size: 3.44 MB
