THE usual method of measuring the dimensions of microscopic objects is to compare them against an eye-piece scale or to use a calibrated filar micrometer eye-piece. Such methods are not capable of ...

Eyepiece Micrometer. DR. METZ, one of the researchers employed in the Leitz optical factory at Wetzlar, has recently described 1 a micrometer for use with the microscope which, if we are not mistaken, ...

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Titan Tool Supply Co. Inc. microscopes ; Tetrabor Paste, polishing and lapping compound ; flashlight comparator ; X-Z Measuring Machine, a combination microscope and coordinate cathetometer ; "Filar ...