SIDNEY MOULDS / SCIENCE PHOTO LIBRARY. SIDNEY MOULDS / SCIENCE PHOTO LIBRARY.
Polarised light micrograph of crystals of potassium ferricyanide, a red soluable crystalline substance used in the manufacture of pigments & papers. It is used as a stain for wood & a dye for wool. Magnification X 12.5 (at 35mm size).
Model release not required. Property release not required.