identify older e leitz wetzlar microscope

Brass replaced the cardboard, wood and ivory of very early microscopes. At the time, all microscope manufacturers had at least one horseshoe stand in their product lines. Quote: 'Every cell originates from another cell (Omnis cellula e cellula)'.įigure right: Standard microscope from around 1883 by Ernst Leitz, Wetzlar, with the typical features of the time: a horseshoe stand and blackened brass parts with a cellulose lacquer finish. ** Rudolf Virchow: founder of the disciplines of cellular pathology (study of the cellular basis of disease), comparative pathology (diseases common to humans and animals), anthropology (the study of humanity) and ethnology (cultural studies). * Robert Koch: primary founder of medical bacteriology, discoverer of the tuberculosis bacillus and Nobel Prize winner for medicine and physiology in 1905. Suitable fixing, embedding and sectioning methods (the microtome), specialized stains and preservatives were developed at the same time. Advances in microscope design made groundbreaking discoveries in the fields of botany, histology, cytology, bacteriology and medicine possible, such as the medical advances by Robert Koch* and Rudolf Virchow**. Gradually, standards were developed in microscope design, and these were applied by many manufacturers of optical instruments in the early days of industrial mass production.

Identify older e leitz wetzlar microscope