SUB SCOPE maschera-periscopio / mask-periscope

BRAND
SUB SCOPE
MODEL
Sub Scope
TYPOLOGY
mask-periscope
TECHNICAL FEATURES
allows both aerial and underwater viewing at the same time
COMPENSATOR
none
HEAD STRAP
wide strap headboard
CONSTRUCTION MATERIAL
rubbera + plexiglas
COLOR
green
CRYSTAL SIZE
-
SPECIAL FEATURES
the mirrored periscope shows the view of the outside in front of the diver's eyes, who observes the seabed through the front glass of the mask
NOTE
the periscope duct also acts as a snorkel, automatically closed by a valve if it is submerged
COUNTRY OF ORIGIN
Usa
YEAR OF PRESENTATION
1955
SOURCE
Andrea Campedelli archive