Principles of Natural Philosophy, Or, a New Theory of Physics: Founded On Gravitation, and Applied in Explaining the General Properties of Matter, the ... Galvanism, Magnetism, & Electro-Magnetism

Exley's groundbreaking work established a new theory of physics based on the concept of gravitation, which he applied to a wide range of phenomena in the natural world. Written in the mid-19th century, it provides a fascinating glimpse into the evolution of scientific thought and inquiry during a critical period in history.

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