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FIRST METAL McARTHUR MICROSCOPE

MAKER: JOHN N. McARTHUR

c. 1932

Unsigned

First Metal McArthur microscope

The first metal McArthur microscope. Note the high position of the focusing knob and the use of the top surface as a stage neccesitating a protruding mount for the condenser.

McArthur reported this design in an article in the JRMS of 1934, p 182-185. In this article he pointed out all the many advantages of this design.