Newton, Sir Isaac

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Isaac Newton’s reflecting telescope (replica), (maker (original), user) — Original 1668-71

This is a replica of the first successful reflecting telescope, built by Isaac Newton. It used mirrors instead of lenses to focus light, giving a better performance for a smaller instrument. The circular mark near the front of the telescope ... read more
Philosophiæ naturalis principia mathematica, (author) — 1687

This book, first published in 1687, is one of the most important scientific works ever written. It outlined Isaac Newton’s law of universal gravitation. This law applied to everything, from why apples fall to the ground to why planets orbit ... read more