August 25, 2018
(Photo Source: Kern County Museum)
It took until 1920 for Conrad Schlumberger to publish the results of the experimental surface resistivity measurements he had carried out since 1911.
In the same year, Conrad and Marcel opened their first office at 30 rue Fabert in Paris.
Conrad’s focus on making geophysical measurements became all-consuming now, prompting him to resign his professorship
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