Methods of Preparation for Electron Microscopy

In 1939, when the electron optics laboratory of Siemens & Halske Inc. began to manufacture the first electron microscopes, the biological and medical profes­ sions had an unexpected instrument at their disposal which exceeded the reso­ lution of the light microscope by more than a hundredfold. The immediate and broad application of this new tool was complicated by the overwhelming prob­ lems inher...