RATE ASCENT

BRAND
RATE of ASCENT
MODEL
-
TYPOLOGY
ascent speed meter
OPERATION
automatic
POWER SUPPLY
batteries
SIZE mm
70 x 40 x 25
DIAL LIGHTING
-
TOTAL WEIGHT g
-
SPECIAL FEATURES
three indicator lights indicating ascent rate from 0 to 60 feet / minute
NOTE
system for fixing along a hose
COUNTRY OF ORIGIN
Usa
YEAR OF PRESENTATION
1979
SOURCE
Luigi Fabbri collection