Search results
Results From The WOW.Com Content Network
A British air raid siren from the Second World War. All clear is the signal, generally given by an air raid siren, which indicates that an air raid or other hazard has finished and that it is safe for civilians to leave their shelters; it is commonly used in radios as well.
The first raid dropped five small bombs and a note demanding the immediate surrender of Paris and the French nation. Before the stabilisation of the Western Front, the German aircraft dropped fifty bombs on Paris, slightly damaging Notre Dame Cathedral. [3] February 1915 poster warning of the possibility of air raids on the English city of Hereford
Air Raid Precautions (ARP) refers to a number of organisations and guidelines in the United Kingdom dedicated to the protection of civilians from the danger of air raids. Government consideration for air raid precautions increased in the 1920s and 30s, with the Raid Wardens' Service set up in 1937 to report on bombing incidents. [ 1 ]
A complete set of air raid alarms. The air raid warning comes in 3 types: [21] Pre-raid warning: a 36-second high-tone followed by a 24-second low-tone, with three cycles per period. This warning signifies an air raid is likely about to take place. Raid warning: a 6-second high-tone followed by a 6-second low tone, with 15 cycles per period.
The first certain raid on Britain occurred on 21 December; the weather was dull with a slight wind from the south and rain showers. [10] At 1:00 p.m. Friedrichshafen FF.29 seaplane no. 203 from I. Seeflieger-Abteilung, carrying four 4.4 lb (2 kg) bombs, flown by Flugzeugführer Leutnant Stephan von Proudzynski and his observer (Beobachter) Fähnrich zur See Ludwig v.
The first large scale air raid occurred during World War I in 1915, when London was bombed by 15 German Zeppelin dirigibles at night. Since the residents of London, and many of its defenders, were asleep, a loud warning system for air raids made sense, leading to the creation of the air raid siren.
In late May, the government caused panic among some residents when it issued a false air raid alarm and evacuation warning following North Korea's failed satellite launch, even though the capital ...
The first air raid over Britain. Two German Navy Zeppelin airships drop bombs and incendiaries over Great Yarmouth and King's Lynn in Norfolk; four civilians are killed and sixteen injured. [14] Damage to houses in King's Lynn caused by a Zeppelin airship raid in 1915. 12 February 1915 The Kaiser authorises airship raids on the London Docks.