LE PRIEUR Nautilus maschera granfacciale /full face mask
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MARCA
LE PRIEUR
MODELLO
Nautilus
TIPOLOGIA
maschera granfacciale
CARATTERISTICHE
4 tubi aeratori, 2 per l'entrata d'aria e 2 per lo scarico - una valvola a sfera sulla parte alta
PRESA PER IL NASO
no
FISSAGGIO
testiera a raggiera con 3 cinghioli
MATERIALE
gomma
COLORE
nero o verde
PARTICOLARITÀ
direzione dell'aria obbligata da valvole di non-ritorno sui tubi - peretta per fare uscire l'acqua infiltratasi e scarico a becco d'anatra
NOTE
brevetto Le Prieur - maschera realizzata nel 1938 da Daniel Barbe, quindi prodotta dal 1946 al "52 dalla S.O.S.A. di Ivry-sur-Seine - esisteva anche una versione con 6 tubi aeratori - info di J.P.Joncheray
NAZIONALITÀ
Francia
ANNO DI PRESENTAZIONE
1938
PROVENIENZA
archivio Andrea Campedelli