The Notebooks of Leonardo Da Vinci

Contents:
Author: Leonardo da Vinci

872.

a, the side of the body in light and shade b, faces the whole portion of the hemisphere bed e f, and does not face any part of the darkness of the earth. And the same occurs at the point o; therefore the space a o is throughout of one and the same brightness, and s faces only four degrees of the hemisphere d e f g h, and also the whole of the earth s h, which will render it darker; and how much must be demonstrated by calculation. [Footnote: This passage, which has perhaps a doubtful right to its place in this connection, stands in the Manuscript between those given in Vol. I as No. 117 and No. 427.]

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Chicago: Leonardo da Vinci, "872.," The Notebooks of Leonardo Da Vinci, trans. Richter, Jean Paul, 1847-1937 in The Notebooks of Leonardo Da Vinci (New York: Dover Publications, Inc., 1970), Original Sources, accessed February 7, 2023, http://www.originalsources.com/Document.aspx?DocID=859L6PEYPJ72NI5.

MLA: Vinci, Leonardo da. "872." The Notebooks of Leonardo Da Vinci, translted by Richter, Jean Paul, 1847-1937, in The Notebooks of Leonardo Da Vinci, New York, Dover Publications, Inc., 1970, Original Sources. 7 Feb. 2023. http://www.originalsources.com/Document.aspx?DocID=859L6PEYPJ72NI5.

Harvard: Vinci, LD, '872.' in The Notebooks of Leonardo Da Vinci, trans. . cited in 1970, The Notebooks of Leonardo Da Vinci, Dover Publications, Inc., New York. Original Sources, retrieved 7 February 2023, from http://www.originalsources.com/Document.aspx?DocID=859L6PEYPJ72NI5.