Page:Knaves of Diamonds.pdf/191

 "'Two of the windows were open on account of the heat. He watched his opportunity, and sent it adrift about two hours before dawn. You know what a sudden fall there is in the temperature here an hour or so before daybreak. I calculated upon that to contract the volume of the gas sufficiently to destroy the balance and bring the balloon to the ground, and I knew that, if Lomas had obeyed my instructions, it would fall either on the veld or on this side of the hills.

"'The balloon was a bright red, and, to make a long story short, I started out before daybreak that morning, as you know, to look for buck. When I got outside the camp I took compass bearings and rode straight down the wind towards the hills. By good luck or good calculation, or both, I must have followed the course of the balloon almost exactly, for in three hours after I left the camp I saw the little red speck