Frank Honeywell, The Radio Boys in the Thousand Islands…
“ Cub snapped his finger with an impatient jerk of his long right arm."Of course!" he exclaimed in disgust. "Every branch of mathematics I ever heard of, except geometry, went buzzing through my head. I was trying to recall something in algebra that would fit this case.""Oh, Cub," laughed Hal; "algebra is all x's and y's and z's over z's and y's and x's,""I admit I'm a chump," Cub grinned with a shrug of self-commiseration; "but say, let's draw those geometrical lines on our chart and see if we get the same result those radio compass fellows got." ”
