six o’clock
I remember remarking aloud : ` Daddy Jacques must surely have opened it while we were away . ' `` Q. Strange ! -- Do you recollect , Monsieur Stangerson , if during your absence , and before going out , he had opened it ? You returned to the laboratory at six o'clock and resumed work ? `` Mademoiselle Stangerson . Yes , monsieur . `` Q. And you did not leave the laboratory from that hour up to the moment when you entered your chamber ?