A STUDY OF THE COLOR PHOTOGRAPH. 



THE color photograph is found to microscopic square points which de- 

 be most useful m develop. ng crease in size in the lighter portions of 

 the color sense in children, the plate. 



The act of recognizing vari- Red, yellow, and blue inks of the 



ous colors and shades is educative, rarest quality are used in printing from 



When we consider that all the effects these plates, with great care exercised 



of the color photograph are produced as to getting the exact depth of color 



by combinations of the three primary required for each. By placing a sheet 



colors we at once step into a realm of of fine tissue paper beneath a plate 



thought and observation that is bound- printing red, the red is deepened, an- 



less. The danger is that we may at- other sheet makes it more intense, and 



tempt too much with the abundance others are placed under the plate, if 



of material at hand and, by forgetting necessary, to get the rich red required 



the limitations of the unformed mind, to blend with the yellow and blue to 



confuse instead of enlighten. make the exact reproductions of na- 



It is well for the teacher to know the ture's colors which appear in the color 



process by which the color photograph photograph. 



is produced, but young children who The order of the printing is yellow 



know little of the laws of light are not first, and when this is thoroughly dry 



expected to understand it fully. In the red is laid on, and the blue a day 



advanced classes the following will be later. As the color is nowhere a solid 



found beneficial: mass, but a series of points, one color 



A natural object is placed before a does not hide another, but the three 



camera and a water screen is adjusted colors shine through and make the 



so no rays but the yellow may reach blendings which appear in the beauti- 



the photographic plate. A negative is ful and delicate shades and tints of the 



thus obtained recording all the yellow color photographs. 



that appears upon the surface of the Do not manifest surprise when you 



object, whether it shows as pure yellow find pupils wholly or partly color blind, 



or in combination with other colors. The boy who cannot find a red marble 



With the camera and object in exactly in the grass will show by his conversa- 



the same position and another screen tion that red and green are the same 



which absorbs all the rays but the red to him. His is an extreme case, but 



ones coming from the object, a nega- there are many who are slow to name 



five of the red is obtained. A third the primary colors and totally fail to 



negative of the blue in the object is recognize differences in tints, 



similarly got. and we have an accurate For ordinary purposes there should 



representation of the form and all the be little effort given to the naming of 



colors of the object separated into red, the shades. If the colors are talked 



yellow, and blue. about by name, enough is done in the 



From these negatives three half-tone line of language. But classes become 



plates are made upon copper. A half- readily interested in comparing reds, 



tone plate is an acid etching produced and blues, or greens to say which is 



by photographic process with fine the deeper or the purer. The location 



lines crossing each at right angles so of a patch of color often changes its 



that the picture appears as a series of apparent intensity. Contrast with sur- 



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