60.0 MB (60.0 MB compressed)
5372 x 3906 pixels
45.5 x 33.0 cm ⏐ 17.9 x 13.0 in (300dpi)
SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY
Polarised light micrograph of crystals of tartaric acid. Tartaric acid is used in baking powders & as a food additive. It can be obtained from tartar (potassium hydrogen tartrate) deposits in wite vats. Magnification: x80 at 5x4-inch size.
Model release not required. Property release not required.