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Elements of ChemistryThe debt of modern chemistry to Antoine Lavoisier (1743 1794) is incalculable. With Lavoisier's discoveries of the compositions of air and water (he gave the world the term 'oxygen') and his analysis of the process of combustion, he was able to bury once and for all the then prevalent phlogiston doctrine. He also recognized chemical elements as the ultimate residues of chemical analysis and, with others, worked out the beginnings of the modern system
The debt of modern chemistry to Antoine Lavoisier (1743-1794) is incalculable. With Lavoisier's discoveries of the compositions of air and water (he gave the world the term 'oxygen') and his analysis of the process of combustion, he was able to bury once and for all the then prevalent phlogiston doctrine. He also recognized chemical elements as the ultimate residues of chemical analysis and, with others, worked out the beginnings of the modern system of nomenclature. His premature death at the hands of a Revolutionary tribunal is undoubtedly one of the saddest losses in the history of science.Lavoisier's theories were promulgated widely by a work he published in 1789: Trait l mentairede Chimie. The famous English translation by Robert Kerr was issued a year later. Incorporating the notions of the "new chemistry," the book carefully describes the experiments and reasoning which led Lavoisier to his conclusions, conclusions which were generally accepted by the scientific community almost immediately. It is not too much to claim that Lavoisier's Trait did for chemistry what Newton's Principia did for physics, and that Lavoisier founded modern chemistry.
Part One of the Trait covers the composition of the atmosphere and water, and related experiments, one of which (on vinous fermentation) permits Lavoisier to make the first explicit statement of the law of the conservation of matter in chemical change. The second part deals with the compounds of acids with various bases, giving extensive tables of compounds. Its most significant item, however, is the table of simple substances or elements -- the first modern list of the chemical elements. The third section of the book reviews in minute detail the apparatus and instruments of chemistry and their uses. Some of these instruments, etc. are illustrated in the section of plates at the end.
This new facsimile edition is enhanced by an introductory essay by Douglas McKie, University College London, one of the world's most eminent historians of science. Prof. McKie gives an excellent survey of historical developments in chemistry leading up to the Trait , Lavoisier's major contributions, his work in other fields, and offers a critical evaluation of the importance of this book and Lavoisier's role in the history of chemistry. This new essay helps to make this an authoritative, contemporary English-language edition of one of the supreme classics of science.
Binding Type: Paperback
Publisher: Dover Publications
Published: 06/01/1984
ISBN: 9780486646244
Pages: 640
Weight: 1.40lbs
Size: 8.50h x 5.30w x 1.20d
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★★★★★ 5
Better Design - Better Materials - No Sticking
Style: 2.5" Ball
Been using Chuck-It launchers and plastic balls for a very long time and they were always a little sticky on giving up the ball. This makes it tricky to throw grounders with precision and can overshoot the fence in the backyard. A couple of years ago, Chuck-It changed the material to a stiffer plastic that made this problem more pronounced. I even tried custom sanding the cup to get just the right grip.
The Fetch-It launcher (using the Chuck-It plastic balls) uses a three-pronged claw with soft rubbery ends that releases perfect every time. The material costs on this new one are noticeably higher while maintaining a somewhat lower price than the brand name original.
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Reviewed in the United States on January 9, 2026
★★★★★ 3
Meh
Style: 2.5" Ball
It "works" but it isn't very good. The grip is so loose on the ball, it lets go early and doesn't thrown very far. A Chuckit is so much better, I can get 3x the distance with a 25" Chuckit. This thing is kind of a waste.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
🧦 Simple & Effective – ZenToes Moisturizing Socks Review ✨
Color: Green Gingham & Multi Plaid, Size: Regular
These ZenToes moisturizing socks are such a smart and effective solution for dry, cracked heels! I really like that they only cover the heels instead of the whole foot—no hot, sweaty toes, which is a huge plus.
They come in a pack of two, and for the price, it’s a great value. I also found that they fit well and stayed in place overnight. They were a bit snug around my foot, but still comfortable enough to wear.
What really impressed me is how well they work. The socks are nice and thick, and after just one use overnight, my heels were noticeably smoother. Even better—the results lasted about a week without needing any extra lotion, which I personally love since I’m not a fan of applying creams.
I would definitely buy these again and highly recommend them if you’re looking for an easy, low-maintenance way to keep your heels soft.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
They work!!
Color: Fuzzy Slate Gray, Size: Regular, Color: Fuzzy Slate Gray, Size: Regular
I bought these to replace a very old pair that I originally got at Bed Bath and Beyond like 20+ yrs ago, and the fabric was starting to fray. However, the gel pad inside (at the heel) was still working just fine. Anyway, this new set includes 2 pairs, with a gel pad inside each heel area. Results are truly amazing, I kid you not. You can use them without a moisturizer, but I like to put moisturizer on my heels, then wear these overnight, and in the morning my heels are soft, with no dry skin and NO cracks. I like the fact that these are kind of soft and fuzzy (outside), but I LOVE that they leave your toes exposed and cool (because my heels feel kind of warm from the moisturizer and gel pad). They are of good thickness, and I feel they will last a long time (of course remains to be seen). Highly recommend.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Perfect for cracked heals ♥️
Color: Cheetah, Size: Regular, Color: Cheetah, Size: Regular
These are thick not cheaply made, has a nice texture inside the heal area which I love. I wear them at night after I apply Aquaphor to my heels & while sleeping they are very comfortable. I slipped these guys on & my heels are healing so much faster no more cracked heels for me. 😃 I highly recommend them.
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Reviewed in the United States on May 16, 2026