Dr. Walter C. McCrone (1916-2002)

Microscopy students at McCrone Research Institute in Chicago.

Double exposure photograph of a thin section from a Douglas fir with a bough from the same tree. (John G. Delly)

William Randle of the Missouri State Highway Patrol Crime Lab displays the The Technician forensic science journal.

A microcrystal test for pseudoephedrine with dilituric acid reagent

Sample boards with fabric swatches in position for sunlight exposure in Arizona.

Microscopy Training

McCrone microscopy training courses include particle and contaminant identification, crystal characterization, sample preparation, and microanalysis.

2019 courses


Inter/Micro 2019 will be held June 10-14, 2019 at McCrone Research Institute in Chicago. Join professional and amateur microscopists at the premier international microscopy conference.

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McCrone Publications

Microscope Publications (division of McCrone Research Institute, Inc.) publishes The Microscope journal, The Microscope Series monographs, and many other titles.

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McCrone Research

McCrone’s applied research in microscopy and microanalysis addresses problems in the forensic, industrial, air quality, asbestos, environmental, and conservation sciences.

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