BRAND
DEMONE
MODEL
Mark 1
TYPOLOGY
two stage
CONFIGURATION
single hose
FIRST STAGE
diaphragm type
SECOND STAGE Ø mm
.... - up-stream
HOSE
one hose rhigt or left
TOTAL WEIGHT g
-
SPECIAL FEATURES
the connection hose between stage I and II is inside a corrugated hose, which brings the exhaust air behind the diver - bellows second stage membrane - Int connection
NOTE
produced by Demone Manufacturing Company - brand name engraved on the second stage - the Mark II model was released in 1965 but production ceased in the same year - other details identical to the two-tube model
COUNTRY OF ORIGIN
Usa
YEAR OF PRESENTATION
1962
SOURCE
Maurizio Baldinucci collection