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.
From Google search: Color photography was invented in 1907, but it wasnât until 1935 that it became popular. But it was very expensive. As I remember color really became cheap enough for average person in the 50's. Our earliest ones were in mid 50's.