PRINCETON TECTONICS Bottom Timer
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BRAND
PRINCETON TECTONICS
MODEL
Bottom Timer
TYPOLOGY
timer sub
OPERATION
automatic
POWER SUPPLY
spring
BODY mm
... - in black plastic
DIAL LIGHTING
no
TOTAL WEIGHT g
-
NOTE
it was the first instrument produced by PRINCETON TEC of Trenton
COUNTRY OF ORIGIN
USA
YEAR OF PRESENTATION
1975
SOURCE
Lorenzo Cervellin collection