DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of Head and point of a pin. A straight pin is a pin consisting of a short straight stiff piece of wire with a pointed end at one end and a flatten surface at the other end. It is used to fasten pieces of cloth or paper together. Magnification: x11 when shortest axis printed at 25 millimetres.
Model release not required. Property release not required.