Treatise on Natural Philosophy Part 1, Part 2 - Lord Kelvin

Un tratado de filosofía natural por el gran Lord Kelvin! Imperdible!!

Treatise on Natural Philosophy Part 1, Part 2 
Publisher: Cambridge University Press | ISBN: N/A | edition 1912 | PDF | 536, 514 pages | 28.9+28.7 mb

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Parte 1
Parte 2

The term Natural Philosophy was used by Newton, and is still used in British Universities, to denote the investigation of laws in the material world, and the deduction of results not directly observed. Observation, classification, and description of phenomena necessarily precede Natural Philosophy in every department of natural science. The earlier stage is, in some branches, commonly called Natural History; and it might with equal propriety be so called in all others.