Fire alarm in London, 1931
In London, a new fire alarm (right) presented. One must first break a glass and then activate the alarm. The firefighters can immediately see where the alarm was activated. Left: An old fire alarm
Picture No
10526811
Media ID
48149964
Size
2437px x 1929px
(1.3MB)
Credit
Mary Evans / SZ Photo / Scherl
Date
1931
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