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LicenseMercury thermometer for reading from -39 deg C to 5 deg C
Science Museum Group
© The Board of Trustees of the Science Museum
Mercury thermometer for reading from -39 deg C to 5 deg C, divided to1/10 deg; for calibration purposes, it also reads from 49 deg C to 54 deg C, and from 95 deg C to 103 deg C, on portions of stem separated from the rest by ampullae; certificate for the above supplied by the Bureau International des poids et mesures
