She used an innovative technique to investigate samples--fifteen years earlier, her husband and his brother had developed a version of the electrometer, a sensitive device for measuring electrical currents.
Fifteen years earlier, her husband and his brother had developed a version of the electrometer, a sensitive device for measuring electrical currents. She used an innovative technique to investigate samples.
She used an innovative technique to investigate samples. Fifteen years earlier, her husband and his brother had developed a version of the electrometer, a sensitive device for measuring electrical currents.
She used an innovative technique to investigate samples. Fifteen years earlier, her husband and his brother had developed a version of the electrometer, a sensitive device for measuring electrical currents.