Tratado das Cores
Que consta de tres partes: analytica, synthetica, hermeneutica
- Approximate level
- C1
- Length
- 21,901 words
- Reading time
- 1 h 50 min
- Chapters
- 50
- Language
- Portuguese
- On Project Gutenberg since
- 2010
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This treatise from the late eighteenth century explores the physical nature of colors and their perception. The text is written in an older form of Portuguese, featuring archaic spelling and specific scientific terminology related to optics and physics. The sentences are structured as concise, numbered propositions, making the syntax relatively straightforward despite the formal tone. It is a demanding read for those unfamiliar with historical scientific vocabulary, as it focuses on analytical definitions and the fundamental properties of light and matter.
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Subjects
- Colors
Questions about this book
What level of Portuguese do I need for this book?
The estimate is C1, based on how common the words are and how long the sentences run. It is an approximation, not a test result. With a translation under every sentence you can start one level earlier than you would with a paper copy.
Is this book really free?
Yes. The text is in the public domain and comes from Project Gutenberg, so it costs nothing. In Lingo7 you open the book and read the first page for free; a subscription unlocks the whole library, the audio and the word practice.
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How long does it take to read?
About 1 h 50 min at a native pace, spread over 50 chapters. In a foreign language plan for more: half an hour a day finishes a book of this size in a few weeks.
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Text from Project Gutenberg, public domain.