nine o'clock
Burr himself was not in the least perturbed ; it was wonderful , she thought , that he could be so calm . To her , it was the great moment , the moment when her son would be saved from the jaws of death . Jared carried a comfortable chair into the laboratory and she sat in it , quiet as a mouse , in one corner of the room . It was nine o'clock , and Professor Burr was busy with his preparations . She knew he had been working steadily for the past few days . She gripped the arms of her chair , and her heart burned within her . The professor was making sure of his apparatus .