Slide Photos of Green Earth Pigment

Binder = gum arabic Objective = x20 Lighting = 6
Condenser = 0.4 Exposure = 1/2 second


Binder = oil Objective = x20 Lighting = 7
Condenser = 0.4 Exposure = 1 second


Binder = oil Objective = x20 Lighting = 7
Condenser = 0.1 Exposure = 6 seconds

Photographs taken March 1997 from microscope slides made February 1997.