Microscope Museum

Collection of antique microscopes and other scientific instruments

 

      

Microscope 172 (Ernst Leitz; Universal microscope model, stand A; c. 1912)

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In 1849, Karl Kellner founded the Optical Institute in Wetzlar, Germany, which in a few years had microscopes as the main product. The company hired an engineer named Ernst Leitz in 1865, who soon became a partner. Leitz took over the company in 1869 and renamed it Optical Institute of Ernst Leitz. Ernst Leitz died in 1920, and his son Ernst Leitz II became the sole owner of the business. During the 1970s, competition increased from several companies in Japan, especially Olympus and Nikon, which were producing modern microscope designs of excellent quality at relatively low prices. Several venerable microscope companies closed, merged, or were bought out in Europe and the USA. Wild Heerbrugg bought the majority ownership of the Leitz Wetzlar company in 1974, but Leitz continued to develop their new lines of compound microscopes. The last member of the Leitz family retired from the board of directors in 1986. At the beginning of 1987, Ernst Leitz Wetzlar GmbH and Wild Heerbrugg AG merged to form the Wild Leitz Group. The Wild Leitz Group was broken into smaller companies in 1988, and Leica Camera was split off. The merger of Wild Leitz Holding AG with the Cambridge Instrument Company in 1990 created the new Leica Holding B.V. group. The Leica name is now used for all microscopes and other scientific optical instruments. Microscope 172 is a Leitz universal microscope model, stand A (Figure 1). The instrument is signed on the tube ‘E. Leitz Wetzlar, No. 132746’. The serial number suggests that this microscope is dated to c. 1912.

 

 

Figure 1. Universal stand A microscope model (left), and the respective large substage type A (right), as engraved in a Leitz’s catalogue from 1913.

 

 

References

Ernst Leitz Wetzlar Microscopes (http://earth2geologists.net/Microscopes/LeitzScopes.htm), last accessed on 19.09.2020

Ernst Leitz Stativ 'A' Monocular Microscope, Notes on the refurbishing of a fine design ca.1910 (http://www.microscopy-uk.org.uk/mag/indexmag.html?http://www.microscopy-uk.org.uk/mag/artapr08/iw-leitzstativa.html), last accessed on 14.03.2021

 

LAST EDITED: 05.05.2021