Early fire brigade street alarm

Numéro d’image : 11904577
Early fire brigade street alarm
Early fire brigade alarm system. Historical artwork of a fireman testing a 19th-century combined telephonic and telegraphic street fire alarm system. The alarm is designed to be set off manually (by breaking a glass panel),transmitting a Morse code signal to a fire brigade station telling them the location of the fire. There is also a speaker and telephone system to allow verbal communication with the fire brigade. This is a French system,though similar systems were used in other countries as well. Artwork from A Travers l'Electricite (G. Dary,Paris,1900)
Licence : Droits gérés
Crédit: Science Photo Library / Terry, Sheila
Taille de l’image : 2607 px × 3611 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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