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 ...
The results, published in the September 15 online edition of Nature, mark a major advance in the use of microscopes for scientific investigation (microscopy). The findings could lead to treatments for ...
IF a microscope or other apparatus fitted with cross-wires is not available, a convenient substitute may be made by placing a coverslip carrying two filaments of seccotine at right-angles between the ...
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