Small Compound Microscope with case; No. 63
Age: c1880
Made by: probably Bouquette
Made in: Paris
Arthur Chevalier
Imaging

This is a microscope signed Arthur Chevalier, but most likely made by Bouquette of Paris. It consists of a lead-filled base supporting a single brass pillar. Within the pillar is the focusing mechanism—a spring/screw thread system that moves the microscope body. The body consists of an outer and inner drawtube. Optics consist of three eyepieces (numbered "1", "2" and "3"), and three objectives. The high magnification objective has a front element that can be added for higher magnification. All objectives are achromatic as can be demonstrated by the fine imaging. Below the rectangular stage is a condenser assembly (optics missing) and a 5-position filter wheel. Below that is the illuminating mirror. The microscope and accessories can be stored in a mahogany case. Imaging is very good, showing no chromatic or spherical aberration. The body tube is signed: Arthur Chevalier, Palis Royal 158 Paris". The microscope is approximately 39cm tall.

From J. Meeusen 2015: "In 1889, Jules Pelletan wrote: The poor Arthur Chevalier died a long time ago [in 1874]. After him, the company came into the hands of Mr. Avizard, manufacturer of eyeglasses and loupes, which he delegated to a manager. I am unaware whether the situation has remained the same. What is for sure, is that in the time of Arthur Chevalier the microscopes were, in general, very well made, especially the large and the mid-size models, which were called “the large” and “the small Strauss” and which almost reproduced the two large models of Nachet. – They were made by Mr. Bouquette, very skilful manufacturer-machinist, whose son actually still makes, both for his own account and for the former Arthur Chevalier company [owned by the Avizard brothers], stands of microscopes irreproachable as with respect to the mechanism. Microscope No. 314 in The Golub collection signed by Bouquette is identical to this instrument signed by Arthur Chevalier confirms Pelletan’s assertion: some of Arthur Chevalier’s microscope stands were indeed made by Bouquette*."

This microscope by Arthur Chevalier, Bouquette (No. 314), along with No. 312 (Alfred and Albert Nachet) and No. 313 (C. Chevalier), complete the "Nachet Lineage" in the Golub Collection. These three microscopes were purchased in memory of Orv Golub.

*Jeroen Meeusen, Important collection of French microscopes from the second half of the 19th century. Le Zograscope, Paris.

Thanks to my assistant Ms. Riley Maxon

Contact: Steven Ruzin, Ph.D Director of the CNR Biological Imaging Facility
and
Curator of The Golub Collection
located in
Valley Life Sciences Building, Onderdonk Lobby
The University of California at Berkeley, USA
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