As the writer of a letter on Microscope Stands in NATURE of February 22, I wish to add that the term “Continental firm” used in connection with the remarks on horseshoe base with extended rear toe, ...
IN the 1934 edition of the catalogue issued by Messrs. Carl Zeiss (London), Ltd. (37 Mortimer Street, London, W.I), after an excellent introduction upon the theory of the microscope, the series of ...
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