Un manuel sur l'utilisation de microscopes, avec des descriptions d taill es des appareils et des techniques, ainsi que des exp riences microscopiques. Le livre aborde galement les diatom es et d'autres sujets li s la microscopie. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America,...