Da Vinci Notes #18 - Rules These rules are of use only in correcting the figures; since every man makes some mistakes in his first compositions and he who...
Da Vinci Notes #19 - Doing Without Knowledge OF THE MISTAKES MADE BY THOSE WHO PRACTISE WITHOUT KNOWLEDGE. Those who are in love with practice without...
Da Vinci Notes #20 - Modeling The painter who draws merely by practice and by eye, without any reason, is like a mirror which copies every thing placed in...
Da Vinci Notes #21 - Ignorance INTRODUCTION TO PERSPECTIVE:--THAT IS OF THE FUNCTION OF THE EYE. Behold here O reader! a thing concerning which we cannot trust...
Da Vinci Code #22 - Seeing is the Reproduction of the Actual Things Here [in the eye] forms, here colours, here the character of every part of the universe are...
Da Vinci Notes #23 - Complete View OF THE 10 ATTRIBUTES OF THE EYE, ALL CONCERNED IN PAINTING. Painting is concerned with all the 10 attributes of sight; which...
Da Vinci Notes #24 - Illusions ON PAINTING. Variability of the eye. 1st. The pupil of the eye contracts, in proportion to the increase of light which is...
Da Vinci Notes #25 - Clarity Deminishing If Too Near Focus of sight. If the eye is required to look at an object placed too near to it, it cannot judge of it...
Da Vinci Notes #26 - Using Both Eyes for Clarity OF THE EYE. When both eyes direct the pyramid of sight to an object, that object becomes clearly seen and...
Da Vinci Notes #27 - Use Both of Your Eyes Objects seen by one and the same eye appear sometimes large, and sometimes small. Keith's Ideas: 1. Don't use one...
Da Vinci Notes #28 - When You Change, Your Perception Changes The motion of a spectator who sees an object at rest often makes it seem as though the object at...
Da Vinci Notes #29 - 2-D & 3-D View Let the object in relief _t_ be seen by both eyes; if you will look at the object with the right eye _m_, keeping the left...
Da Vinci Notes #30 - Difference Causes Clarity The comparative size of the image depends on the amount of light (30-39). The eye will hold and retain in itself...
Da Vinci Notes #31 - Distorted Size At Different Times Every object we see will appear larger at midnight than at midday, and larger in the morning than at...
Da Vinci Notes #32 - Tunnel Vision The pupil which is largest will see objects the largest. This is evident when we look at luminous bodies, and particularly...
Da Vinci Notes #33 - Perception on New Discoveries When the eye, coming out of darkness suddenly sees a luminous body, it will appear much larger at first...
Da Vinci Notes #34 - First Perception can be Wrong Why when the eye has just seen the light, does the half light look dark to it, and in the same way if it...
Da Vinci Notes #35 - Things Do Not Change, We Change ON PAINTING. If the eye, when [out of doors] in the luminous atmosphere, sees a place in shadow, this will...
Da Vinci Notes #36 - Build In Buffer Time ON PERSPECTIVE. The eye which turns from a white object in the light of the sun and goes into a less fully lighted...
Da Vinci Notes #37 - Light up What You Want to See Experiment [showing] the dilatation and contraction of the pupil, from the motion of the sun and other...
Da Vinci Notes #38 - Absolute & Relative Measurements The pupil of the eye, in the open air, changes in size with every degree of motion from the sun; and at...
Da Vinci Notes #39 - Bias The eye which sees all objects reversed retains the images for some time. This conclusion is proved by the results; because, the eye...
Da Vinci Notes #40 - Information, Inspirations and Insights ON PAINTING. Perspective is the best guide to the art of Painting. Keiths Ideas: 1. Perspective is...
Da Vinci Notes #41 - Seeing Things Differently The art of perspective is of such a nature as to make what is flat appear in relief and what is in relief flat. ...
The elements of perspective--Of the Point (42-46) Da Vinci Notes #42 - Analyzing Through Perspective All the problems of perspective are made clear by the five...
Da Vinci Notes #43 - No Isolated Issue A point is not part of a line. Keith's Ideas: 1. When points joined to form line, they are no more points! They are...
Da Vinci Notes #44 - A Point is Not a Stop OF THE NATURAL POINT. The smallest natural point is larger than all mathematical points, and this is proved because...
Da Vinci Notes #45 - Your Surface Limits You 1, The superficies is a limitation of the body. 2, and the limitation of a body is no part of that body. 3, and...
Da Vinci Notes #46 - Something Has No Form, Has No Limitation The point, being indivisible, occupies no space. That which occupies no space is nothing. The...
Of the line (47-48). Da Vinci Notes #47 - Opportunity DEFINITION OF THE NATURE OF THE LINE. The line has in itself neither matter nor substance and may rather ...
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