G. Oberhaeuser, Place Dauphine, Paris. #1812

Small drum microscope, c.1850

G. Oberhaeuser, Place Dauphine, Paris. #1812. Small drum microscope, c.1850

G. Oberhaeuser, Place Dauphine, Paris. #1812. Small drum microscope, c.1850

G. Oberhaeuser, Place Dauphine, Paris. #1812. Small drum microscope, c.1850

G. Oberhaeuser, Place Dauphine, Paris. #1812. Small drum microscope, c.1850. Stored in the case.

G. Oberhaeuser, Place Dauphine, Paris. #1812. Small drum microscope, c.1850. Case and accessories

G. Oberhaeuser, Place Dauphine, Paris. #1812. Small drum microscope, c.1850. Stored in the case.

This form of drum microscope was originally introduced by Trécourt and Oberhauser in the early 1830's as shown on the left. The fine adjustment was designed to work by the tilting of the stage thereby making the upper stage-plate move up or down in a horizontal position by means of a screw and socket at one end and a guide-pin at the other end.

 

Georges Oberhaeuser (1798-1868) is credited with the development of the "Continental" style microscope, which by the end of the 19th century had become a standard design that was produced by most manufacturers of the period. The continental model evolved from the drum type microscopes, an example of which is shown here.

 

 

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