d explosions followed in rapid succession in the city beneath.

It was a battle to the death, high in the air with all London looking
on. The guns were in full play and the shell and shrapnel were
bursting all about the Zeppelin. Sometimes you could trace the whole
trajectory of a projectile, as a spark of light swept through the sky
toward the Zeppelin and then burst to the right or left, above or below
it. Most of the shots seemed to go wide of the mark. More than a
score of aeroplanes had been sent up to attack it, with one plane to
guide the rest and signal to the guns below by wireless or lights. The
battle finally developed into a duel to the death between the machine
guns of the Zeppelin and Lieutenant Robinson of the Flying Corps, who
was up for two hours in his aeroplane after the enemy--one man fighting
for a city of five millions. He attacked from below and bombs were
thrown at his plane; then he attacked from the side as he circled about
the monster, but he was driven off by their machine guns. At last,
mounting high in the sky, he attacked from above. The guide-plane
flashed down the signal for the guns to cease firing and give him a
chance.

For a few moments all was silent; the battle seemed to be over. The
great airship, which had swung sharply to the left, was triumphantly
leaving for home. Then it was that Robinson dropped his incendiary
bomb. Suddenly there was an explosion. A flame of burning gas leaped
into the sky. London was lit up for ten miles round-about. Our room
was instantly as bright as though a searchlight had flashed into the
window. Far above us was the Zeppelin in flames. Now it began to
sink--first it was in a blaze of white light, then its outline turned
to a dull red, finally it crumpled to a glowing cinder, sank from
sight, and fell crashing to the earth. Then all was dark again. Death
had fallen suddenly upon the men in the Zeppelin and upon some in the
sleeping city below.

As we drove through London we passed the draper's shop, near St. Paul's
Cathedral, where George Williams and a group of twelve young men met in
a little upper room on June 6, 1844, to organize the first Young Men's
Christian Association. A dozen young men with little wealth,
influence, or education might not seem a very formidable force, but
twelve men have upset the world and changed the course of history
before now. They had only thirteen shillings, or $3.25, in the
treasury, and were