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Description
An Introduction to the Geometry of N DimensionsFor many years, this was the only English language book devoted to the subject of higher dimensional geometry. While that is no longer the case, it remains a significant contribution to the literature, exploring topics of perennial interest to geometers. In the first four chapters, author D. M. Y. Sommerville explains the fundamental ideas of incidence, parallelism, perpendicularity, and angles between linear spaces. Chapter V presents analytical
For many years, this was the only English-language book devoted to the subject of higher-dimensional geometry. While that is no longer the case, it remains a significant contribution to the literature, exploring topics of perennial interest to geometers.In the first four chapters, author D. M. Y. Sommerville explains the fundamental ideas of incidence, parallelism, perpendicularity, and angles between linear spaces. Chapter V presents analytical geometry from the projective point of view, exploring some of the simplest ideas relating to algebraic varieties and offering a more detailed account of quadratics. Chapter VI examines analytic geometry of n dimensions from the metric point of view. The remaining four chapters deal with polytopes and address some of the elementary ideas in analysis situs. Chapter VIII treats the content of hyper-special figures, and the final chapter establishes the regular polytope.
For advanced undergraduate and graduate students in mathematics as well as historians of mathematics
Dover unabridged republication of the edition originally published by Methuen & Co., London, 1929.
Binding Type: Paperback
Publisher: Dover Publications
Published: 03/18/2020
ISBN: 9780486842486
Pages: 224
Weight: 0.50lbs
Size: 8.00h x 5.10w x 0.40d
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★★★★★ 5
Small and perfect
This salt and pepper grinder set are perfect for what I wanted. They are small in size, easy to fill and grind the S&P perfectly.
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Reviewed in the United States on February 28, 2026
★★★★★ 5
Great Value!
Color: Tall Set - Black White
Better than anticipated. These are sturdy and work very well. They came with a little funnel to fill, but easy enough without it. They are attractive, I keep on top my stove as I have room. Grind well.
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Reviewed in the United States on December 31, 2025
★★★★★ 3
Defective coarseness adjuster
Color: Tall Set - Black White
These salt and pepper shakers are ok. According to the description of the product, you should be able to adjust the coarseness of the salt and pepper added to them, but that was not my case. The coarseness adjuster on the set I received is set to one position and there is no way of changing it. The grinders work well, but if you are looking to adjust the coarseness of your salt and/or pepper look for another grinder set.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Works well and looks cute
Really nice set. Grind is fine and turn is easy. Highly recommend manual over battery operated ones.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Easy to grind, fills a lot
Color: Tall - Black
Wonderful! Grinds easily without a big mess like a previous grinder i purchased. Will purchase the set next time. Love it!
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Reviewed in the United States on June 9, 2026