Books

Good; some bumping/rubbing and loss of cloth at all extremities; minor scuffs and stains to cloth; loss of paper to gutters at hinges, which are still perfectly sturdy; tanning and scuffs to page edges, but only as seen with the book closed; faint tanning near edges of pages, which are otherwise clean and bright; spine is straight, but there is some fore-edge sag, common in heavy books stored upright on the shelf. True First American Edition of the original English translation, with 1846 on copyright page and no date on title page or frontispiece. Bound in original green cloth over beveled boards, with original plain-paper pastedowns and first and last free pages. 9.5x6 inches; (6), 581, (5) pp. Sticker of W.S. (Walter Scott) Harshman (1859-1924) to front pastedown. Signatures of Jules A[lphonse] Larrivee (1909-?) and Arthur Snow to first free page.

"The Mathematical Principles of Natural Philosophy," commonly known as "Principia," is a monumental scientific work by Sir Isaac Newton, first published in 1687. This magnum opus encompasses Newton's groundbreaking theories on mechanics, motion, and gravity, fundamentally altering scientific paradigms. Newton formulated three laws of motion, elucidating the relationships between force, mass, and acceleration. These laws laid the foundation for classical mechanics, outlining how objects move under the influence of external forces. The first law states that an object remains at rest or moves at a constant velocity unless acted upon by an external force. The second law introduces the concept of force, asserting that force equals mass multiplied by acceleration (F = ma). The third law describes action and reaction, stating that for every action, there is an equal and opposite reaction. However, Newton's most influential contribution was his law of universal gravitation. He proposed that every particle of matter attracts every other particle with a force proportional to their masses and inversely proportional to the square of the distance between their centers. This law explained not only the motion of celestial bodies but also the falling of objects on Earth, unifying celestial and terrestrial mechanics. Newton's Principia revolutionized scientific thought by providing a mathematical framework to describe and predict the motion of objects in the universe. It presented a systematic approach to understanding natural phenomena, marking a departure from earlier qualitative explanations. Newton's work profoundly influenced subsequent scientific inquiry, serving as a cornerstone for further developments in physics and astronomy. Moreover, Principia's impact extended beyond the scientific community, inspiring advancements in various fields. Its emphasis on empirical evidence and mathematical rigor became a model for scientific investigation, fostering a culture of systematic observation and experimentation. The legacy of "The Mathematical Principles of Natural Philosophy" endures as one of the most influential scientific works in history, shaping the foundations of modern physics and serving as a testament to Newton's genius and contribution to humanity's understanding of the natural world.