A sensitive way to determine the activity of a microorganism is to measure its respiration. Dr. George L. Ellman is shown here using a Warburg microrespirometer for this purpose.

Digital Commonwealth — Boston Public Library

A sensitive way to determine the activity of a microorganism is to measure its respiration. Dr. George L. Ellman is shown here using a Warburg microrespirometer for this purpose.

[ca. March 1956]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Laboratories: Misc. Photos

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