C. Kellner's nachfolger, FR. Belthle in Wetzlar, No. 829, c. 1866

(Model 3a, Kleines Mikroskop)

C. Kellner's nachfolger, FR. Belthle in Wetzlar, No. 829, c. 1866

C. Kellner's nachfolger, FR. Belthle in Wetzlar, No. 829, c. 1866

C. Kellner's nachfolger, FR. Belthle in Wetzlar, No. 829, c. 1866

C. Kellner's nachfolger, FR. Belthle in Wetzlar, No. 829, c. 1866. (Model 3a, Kleines Mikroskop)

  C. Kellner's nachfolger, FR. Belthle in Wetzlar, No. 829, c. 1866. Optics

The microscope is equipped with three eyepieces numbered I, II, and III and three signed objectives numbered 0, 1, and 3. The microscope is capable of full rotation along the optical axis with the mirror remaining stationary.

C. Kellner's nachfolger, FR. Belthle in Wetzlar, No. 829, c. 1866. Store in the case.

C. Kellner's nachfolger, FR. Belthle in Wetzlar, No. 829, c. 1866. Wood storage case(Model 3a, Kleines Mikroskop)

Kleines Mikroskop von Belthle

This is an example of the small sized model 3a produced by the firm. See: Fr. Belthle, Nachfolger von C. Kellner, in Wetzlar - Price list for 1866. Represented in this collection is another example of this model having a different selection of optics and a different layout within the wood storage case.

For more information about these early Wetzlar microscopes see the article: Some Early Microscopes from the Optical Institute in Wetzlar


A search of the production archives retained by Leica Microsystems GmbH of microscopes made in the early period of the Optical Institute in Wetzlar indicates that this Belthle microscope with serial number 829 is Stand 3 and was delivered to Friedrich Kempf in Meissenheim on April 21, 1866. It cost 50 Thaler.

At some point in its history, this microscope had made its way into the United States of America. It was purchased for this collection in the US and found within the case was an old prescription written by a Dr. E. G. Merwin mentioning Philibert's Pharmacy, which was located in St. Louis MO. In addition, the outside of the case bears a round label with the initials SLU (St. Louis University)

(I thank Dr. Timo Mappes and Rolf Beck of Leica Microsystems GmbH for their help in obtaining information from the early archives of the firm)

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