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"in 1772 the first patent for colored ink was issued in England"
http://www.horizon-business.net/history_of_ink.HTML
im assuming you goto CSUN....this class is annoying
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What are the colors on a color wheel?
The colors on a color wheel are Red, Orange, Yellow, Blue, Green, Purple, Red-Purple, Blue-Purple, Blue-Green, Yellow-Green, Yellow-Orange, and Red-Orange!
What are the colors in a analogus color scheme?
An analogous color scheme includes a group of colors along one section of the color wheel. One analogous color scheme is red, red-orange, and orange. Another analogous color scheme is blue-green, blue, and blue-purple.
What are the intermediate colors of the color wheel?
red-orange, yellow-orange, yellow-green, blue-green, blue-purple and red purple
Who invented the colour blue?
The color blue was not invented. It is a primary color, along with red and yellow, and exists without being mixed with any other colors.
What are the colors within the color wheel?
The colors in a color wheel are as follows: red, orange, yellow, green, blue, purple, and pink.
Why blue ink is red?
blue ink is blue... not red
Why do you think you used blue and red ink in tracing the flow of the blood?
They use red and blue ink when tracing the flow of blood because red ink is for arteries and blue ink is for veins. This can cause a problem because people sometimes think that arteries have red blood and veins have blue blood, but this is not true.
What color ink is used to make money?
There is no type of ink but some the colors are dark blue, green, red,
How do you create a blood red color with the primary colors and black and white of ink?
Add a little blue to the red. A LITTLE.
When red ink is illumined by blue light is most of the light absorbed or reflected?
Absorbed. Your red ink will look black. "Red" is a long wave-length color. "Blue" is a short one. What looks red in white light is a pigment that reflects red. It won't reflect blue, so it will look dark.
Do pens have oil in them?
No. they have INK in them. eg. blue ink,red ink,
Why do you think you used blue and red ink in tracing the flow of blood?
I THINK that blue is used because it is the color of blood without oxygen and red is used because it is the color of blood with oxygen. Also look at your veins see what color they are.
What are the main ink colors in a cartridge when it comes to color printing?
The main ink colors in a cartidge when it comes to color printing are blue, yellow, and red. You can read more at en.wikipedia.org/wiki/Ink_cartridge
What colors do you mix to make the color yellow ink?
that's not possible; blue, red and yellow are the basic colors
Do HP cartridges come in color and black ink?
"Yes, they do. They can be purchased individually in black ink, or yellow, blue, and red. Packages are also available with assorted colors in one package."
What color does blue litmus paper turn when immersed into an acid?
Blue Litmus Paper turns red when it is placed in an acid
Why is the color blue better than red?
There are many reasons that Blue is better than red. Blue symbolizes victory. red symbolizes death. Blue is the color of the beautiful sky and all the deep, beautiful, full of life, oceans. red is the color of fire. red is the color of caddo... Blue is the color of the Mighty Tribe of OSAGE!!! BLUE!!!! BLUE!!!! red... ? BLUE!!!!!
