Though it was winter, the hotel was filled by a smart crowd.
I met Tringham, who had learnt flying with me and who was now a naval Flight-Commander. He was with his young wife and we four had a long gossip, but of course I said nothing of our secret flight on the previous night.
Naturally, our talk was of Zeppelins, and in the course of our chat Tringham, who was in naval uniform, discussed with me what was necessary to damage a Zeppelin sufficiently to bring her down.
'The question,' he declared emphatically, 'has several answers. If the machine is hit fair and square by an explosive-incendiary projectile, which ignites the gas as it escapes from the damaged gas bags after mixing with the air, it is certain it will crash to earth a blazing wreck, as the one did behind the French lines the other day. But rifle bullets will do little harm, as they only make small holes, which often can be repaired by the crew whilst aloft.'
'I quite agree that rifles against a Zeppelin are just about as efficacious as firing with pea-shooters,' I remarked.
'The public have not yet realized that a Zeppelin is a very difficult thing to attack successfully,' declared the Fight-Commander, who as one of the best-known of our naval pilots, had done much heroic work, and was now stationed somewhere on the East Coast. 'Shells which don't hit fair to the mark may badly damage one of the eighteen ballonets, but this is not sufficient to bring her down. However, it
