But in Rossiter's studio there was an under-ground annex as continuation of the house cellars; and the household was instructed that if, in Rossiter's absence, official warnings of an air-raid were given, certain jars were to be lifted carefully off the shelves and brought either into the library or taken down below in case, through shrapnel or through the vibration of neighbouring explosions, the glass of the studio roof was broken. One day in October, 1917, the German air fleet made a determined attack on London. It was intended this time to belie the stories of the heart of the Western district being exempted from punishment because Lady So-and-so lived there and had lent her house in East Anglia to the Empress and her children in 1912, or because Sir Somebody-else was really an arch spy of the Germans and had to go on residing in London. So the aeroplanes this time began distributing their explosives very carefully over the residential area between Regent's Park and Pall Mall, the Tottenham Court Road and Selfridge's. Lady Rossiter in her overall was disturbed at her indexing by the clamour of an approaching daylight raid; by the maroons, the clanging of bells, the hooters, the gunfire; and finally by the not very distant sounds of exploding bombs. She called and rang for the servants, and then rushed from the library into the studio to commence removing the more important of the jars to a place of greater safety. She had seized two of them, one under each arm, and was making for the library door, when there came the most awful crash she had ever heard, and resounding bangs which seemed to echo indefinitely in her ears....