There many different types of. leukemia but the four most important forms are derived from only two types of. cells, lymphocytes and myelocytes. Acute myelogenous leukemia is disorders of. granulocytes. Granulocytes produced by bone marrow, engulf and digest bacteria. and other small particles.
Almost all color imaging uses Maxwellâs principles to this day. When motion pictures were invented in the 1890s, there was once again a desire for color images. By 1900, the PathÃ© company in France had designed an elaborate system to hand-color film frames with the use of stencils.
1888 The invention of the roll-film camera George Eastman invented the first roll-film camera. 1948 The Polaroid camera is marketed The Polaroid allowed people to take a photo and have it developed immediately, right from the camera.1963 Colored film is introduced Polaroid came out with the first colored film.oseph Niepce developed the camera obscura and took the first photo with it. It wasn't ideal, though, because it took 8 hours of light exposure to make a picture, and the picture faded with time.