One day in the late spring of 1924 an observer on the East Rongbuk Glacier at the foot of Everest, staring up at the summit of the mountain through a telescope, saw the morning mists part around the summit, and saw there two black figures climbing steadily upwards. One of them was an Oxford undergraduate, the other was Mallory. They were, at that moment, at a height of 28,400 feet, higher than any man has ever climbed before and only six hundred feet below the top.

I examined, with great satisfaction, your barometrical estimate of the heights of our mountains; and with the more, as they corroborated conjectures on this subject which I had made before.

The friends, on the contrary, argue that Job does not know, that only God knows; yet, when it comes to the crunch, they themselves seem to know as much as God knows: for example, that Job is a guilty sinner.

Columns of TABLE 1 include an LOD level, number of bilinear interpolations (bilerps) per pixel, and number of pixels per packet for 32 bit texels.