CUFF-TYPE MICROSCOPE by Claude-Siméon PASSEMANT (1702-1769)

CUFF-TYPE MICROSCOPE by Claude-Siméon PASSEMANT (1702-1769)


A rare and fine mid 18th century LOUIS XV French Microscope


after September 7, 1750


PASSEMANT, Claude-Siméon

Country of manufacture


Category: Microscopy


Claude-Siméon PASSEMANT (1702-1769), CUFF-TYPE MICROSCOPE 


Paris after September 1750 (when he got his royal appointment from King Louis XV),

signed on base 


„Passemant Ingénieur du Roi au Louvre Paris“ – further the original maker’s label (engraving) in case 


PASSEMANT, Ingénieur du Roi pour / les Ouvrages qui donnent une juste mesure du / Temps, et represent les mouvemens celestes  avec / la plus grande exactitude; aussi bien que / pour les Microscopes et les Télescopes de / réflexion: au Louvre au dessus / de l’Académie / Francoise / à Paris.“ 


The microscope made of brass and steel, comes with seven original objectives and various accessories, noting the brass fitted glass micrometer „Un millimetre en 100“ and the Bonanni-table. 



-Microscope Collection Science Museum London Inventory-No. A601293 (Rue de la Monnoye, not yet optician to the King) 

-Microscope Collection Science Museum London Inventory-No. A601286 (same signature as ours) 

-Microscope Collection Science Museum London Inventory-No. A67393 (same signature as ours, before Nachet-Collection No. 49) 

-The Golub Collection No. 131 (same signature as ours but in block letters) 



-Mappes, Timo, Bedeutende Mikroskope, Wien 2008 

-Bibnum PSL Université Paris (for a good biographical article online) 


-Acquired from Auction House Galerie De Chartres, France in 2022

-French Private Collection  

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AT WissenschaftlichesKabinet

Wissenschaftliches Kabinett

The Wissenschaftliches Kabinett is based in the inner city of Vienna, Austria and was established in 1988 by Dr. Max Weber. Later it was taken over by Simon Weber-Unger who specializes in antique scientific and natural history antiques. The Wissenschaftliches Kabinett Simon Weber-Unger exhibits at the Hofburg Antique Fair in Vienna, the Residenz Antique Fair in Salzburg, the antique scientific instrument fair in London and at antique fairs in Zurich and Munich. Simon Weber-Unger is the head of the antique scientific instrument department and antique camera department at the auction house Dorotheum in Vienna and has published articles about scientific instruments in several magazines.