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PORTABLE
ALTIMETER   /  BAROMETER
Diameter = 60 mm   /   2_3/8"


                 The Company's ( ??? ) LOGO:   

RING is turnable for ZERO SETTING   -   SCALES in MILLIBAR / METER

                 w/o case:  Instrument is mountable on a dashboard
impressum:
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© C.HAMANN   http://public.beuth-hochschule.de/~hamann    06/07/16