about ten o'clock
Each man was allowed half a quart-pot of tea . Sax and Vaughan drank theirs with the meal , but Yarloo took a few sips and then put his quart-pot away in a safe place . There was nothing to do all morning . Yarloo again made a little sun-shelter , but this became unnecessary after about ten o'clock , because by that time the rising clouds had covered the face of the sun . With every succeeding hour the oppressive heat seemed to get more and more unbearable . There was not a breath of wind . It was as if a lot of thick blankets were slowly smothering every living creature on the earth .