Thermosonus

Numéro de notice

6658

Durée

00:02:35

Année de production

1924

Versions

Support Original

HD
16/9
NB
Muet

Réalisateur(s)

Résumé

In 1922, Manuel de Burnay invented the thermosonus, an automatic fire alarm. Mounted on the ceiling, this unit detects sudden thermal wave changes, triggering an alarm. A signal then appears on the panel to which it is connected, thus informing on the location of the fire. (Summary taken from the CNC Patrimoine catalogue)

Thématiques scientifiques

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